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3440444 = 2271929223
BaseRepresentation
bin1101000111111100111100
320110210101212
431013330330
51340043234
6201423552
741146310
oct15077474
96423355
103440444
111a3a947
12119abb8
13935c87
14657b40
1547e5ce
hex347f3c

3440444 has 48 divisors (see below), whose sum is σ = 7526400. Its totient is φ = 1342656.

The previous prime is 3440429. The next prime is 3440491. The reversal of 3440444 is 4440443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15317 + ... + 15539.

It is an arithmetic number, because the mean of its divisors is an integer number (156800).

Almost surely, 23440444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3440444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3763200).

3440444 is an abundant number, since it is smaller than the sum of its proper divisors (4085956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3440444 is a wasteful number, since it uses less digits than its factorization.

3440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 3440444 is about 1854.8433896154. The cubic root of 3440444 is about 150.9633406614.

Adding to 3440444 its reverse (4440443), we get a palindrome (7880887).

Subtracting 3440444 from its reverse (4440443), we obtain a palindrome (999999).

The spelling of 3440444 in words is "three million, four hundred forty thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 19 28 29 38 58 76 116 133 203 223 266 406 446 532 551 812 892 1102 1561 2204 3122 3857 4237 6244 6467 7714 8474 12934 15428 16948 25868 29659 45269 59318 90538 118636 122873 181076 245746 491492 860111 1720222 3440444