3957234836 has 6 divisors (see below), whose sum is σ = 6925160970. Its totient is φ = 1978617416.

The previous prime is 3957234829. The next prime is 3957234859. The reversal of 3957234836 is 6384327593.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3044832400 + 912402436 = 55180^2 + 30206^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494654351 + ... + 494654358.

It is an arithmetic number, because the mean of its divisors is an integer number (1154193495).

Almost surely, 2^3957234836 is an apocalyptic number.

It is an amenable number.

3957234836 is a deficient number, since it is larger than the sum of its proper divisors (2967926134).

3957234836 is a wasteful number, since it uses less digits than its factorization.

3957234836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989308713 (or 989308711 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 50.

The square root of 3957234836 is about 62906.5563832579. The cubic root of 3957234836 is about 1581.7236485217.

The spelling of 3957234836 in words is "three billion, nine hundred fifty-seven million, two hundred thirty-four thousand, eight hundred thirty-six".