Search a number
-
+
3644214 = 23786767
BaseRepresentation
bin1101111001101100110110
320212010220220
431321230312
51413103324
6210035210
742655350
oct15715466
96763826
103644214
112069a52
121278b06
139a7952
146ac0d0
154beb79
hex379b36

3644214 has 16 divisors (see below), whose sum is σ = 8329728. Its totient is φ = 1041192.

The previous prime is 3644213. The next prime is 3644231. The reversal of 3644214 is 4124463.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43342 + ... + 43425.

It is an arithmetic number, because the mean of its divisors is an integer number (520608).

Almost surely, 23644214 is an apocalyptic number.

3644214 is an abundant number, since it is smaller than the sum of its proper divisors (4685514).

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

3644214 is a wasteful number, since it uses less digits than its factorization.

3644214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86779.

The product of its digits is 2304, while the sum is 24.

The square root of 3644214 is about 1908.9824514647. The cubic root of 3644214 is about 153.8867723391.

Adding to 3644214 its reverse (4124463), we get a palindrome (7768677).

Subtracting 3644214 from its reverse (4124463), we obtain a square (480249 = 6932).

The spelling of 3644214 in words is "three million, six hundred forty-four thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 86767 173534 260301 520602 607369 1214738 1822107 3644214