3964257232 has 20 divisors (see below), whose sum is σ = 8271575620. Its totient is φ = 1829657088.

The previous prime is 3964257229. The next prime is 3964257233. The reversal of 3964257232 is 2327524693.

It can be written as a sum of positive squares in 2 ways, for example, as 2446687296 + 1517569936 = 49464^2 + 38956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964257233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9529257 + ... + 9529672.

It is an arithmetic number, because the mean of its divisors is an integer number (413578781).

Almost surely, 2^3964257232 is an apocalyptic number.

It is an amenable number.

3964257232 is an abundant number, since it is smaller than the sum of its proper divisors (4307318388).

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

3964257232 is a wasteful number, since it uses less digits than its factorization.

3964257232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19058950 (or 19058944 counting only the distinct ones).

The product of its digits is 544320, while the sum is 43.

The square root of 3964257232 is about 62962.3477325933. The cubic root of 3964257232 is about 1582.6587228356.

The spelling of 3964257232 in words is "three billion, nine hundred sixty-four million, two hundred fifty-seven thousand, two hundred thirty-two".