3902291146 has 64 divisors (see below), whose sum is σ = 6855873696. Its totient is φ = 1649664000.

The previous prime is 3902291123. The next prime is 3902291147. The reversal of 3902291146 is 6411922093.

It can be written as a sum of positive squares in 16 ways, for example, as 949564225 + 2952726921 = 30815^2 + 54339^2 .

It is not an unprimeable number, because it can be changed into a prime (3902291147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2722446 + ... + 2723878.

Almost surely, 2^3902291146 is an apocalyptic number.

3902291146 is a deficient number, since it is larger than the sum of its proper divisors (2953582550).

3902291146 is a wasteful number, since it uses less digits than its factorization.

3902291146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 3902291146 is about 62468.3211395984. The cubic root of 3902291146 is about 1574.3690958948.

The spelling of 3902291146 in words is "three billion, nine hundred two million, two hundred ninety-one thousand, one hundred forty-six".