3920865292 has 12 divisors (see below), whose sum is σ = 7159841136. Its totient is φ = 1875196400.

The previous prime is 3920865283. The next prime is 3920865313. The reversal of 3920865292 is 2925680293.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21308959 + ... + 21309142.

It is an arithmetic number, because the mean of its divisors is an integer number (596653428).

Almost surely, 2^3920865292 is an apocalyptic number.

It is an amenable number.

3920865292 is a deficient number, since it is larger than the sum of its proper divisors (3238975844).

3920865292 is a wasteful number, since it uses less digits than its factorization.

3920865292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42618128 (or 42618126 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 3920865292 is about 62616.8131734600. The cubic root of 3920865292 is about 1576.8630399525.

The spelling of 3920865292 in words is "three billion, nine hundred twenty million, eight hundred sixty-five thousand, two hundred ninety-two".