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3440214 = 232191123
BaseRepresentation
bin1101000111111001010110
320110210002100
431013321112
51340041324
6201422530
741145531
oct15077126
96423070
103440214
111a3a758
12119aa46
13935b3b
14657a18
1547e4c9
hex347e56

3440214 has 12 divisors (see below), whose sum is σ = 7453836. Its totient is φ = 1146732.

The previous prime is 3440209. The next prime is 3440237. The reversal of 3440214 is 4120443.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 191123 = 3440214 / (3 + 4 + 4 + 0 + 2 + 1 + 4).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95544 + ... + 95579.

It is an arithmetic number, because the mean of its divisors is an integer number (621153).

Almost surely, 23440214 is an apocalyptic number.

3440214 is an abundant number, since it is smaller than the sum of its proper divisors (4013622).

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

3440214 is a wasteful number, since it uses less digits than its factorization.

3440214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191131 (or 191128 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 3440214 is about 1854.7813887356. The cubic root of 3440214 is about 150.9599765275.

Adding to 3440214 its reverse (4120443), we get a palindrome (7560657).

The spelling of 3440214 in words is "three million, four hundred forty thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 191123 382246 573369 1146738 1720107 3440214