3902972634 has 32 divisors (see below), whose sum is σ = 9461753280. Its totient is φ = 1182718800.

The previous prime is 3902972617. The next prime is 3902972657. The reversal of 3902972634 is 4362792093.

3902972634 is a `hidden beast` number, since 3 + 9 + 0 + 2 + 9 + 7 + 2 + 634 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3902972634.

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, 3284737 + ... + 3285924.

It is an arithmetic number, because the mean of its divisors is an integer number (295679790).

Almost surely, 2^3902972634 is an apocalyptic number.

3902972634 is an abundant number, since it is smaller than the sum of its proper divisors (5558780646).

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

3902972634 is a wasteful number, since it uses less digits than its factorization.

3902972634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570683 (or 6570677 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 3902972634 is about 62473.7755702343. The cubic root of 3902972634 is about 1574.4607387404.

The spelling of 3902972634 in words is "three billion, nine hundred two million, nine hundred seventy-two thousand, six hundred thirty-four".