3920553868 has 48 divisors (see below), whose sum is σ = 8566919424. Its totient is φ = 1525170240.

The previous prime is 3920553859. The next prime is 3920553907. The reversal of 3920553868 is 8683550293.

It is a super-2 number, since 2×3920553868² = 30741485263779522848, which contains 22 as substring.

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 in 15 ways as a sum of consecutive naturals, for example, 201046 + ... + 219682.

It is an arithmetic number, because the mean of its divisors is an integer number (178477488).

Almost surely, 2^3920553868 is an apocalyptic number.

It is an amenable number.

3920553868 is an abundant number, since it is smaller than the sum of its proper divisors (4646365556).

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

3920553868 is a wasteful number, since it uses less digits than its factorization.

3920553868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19342 (or 19340 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The square root of 3920553868 is about 62614.3263798310. The cubic root of 3920553868 is about 1576.8212901549.

The spelling of 3920553868 in words is "three billion, nine hundred twenty million, five hundred fifty-three thousand, eight hundred sixty-eight".