3955860660 has 24 divisors (see below), whose sum is σ = 11076410016. Its totient is φ = 1054896160.

The previous prime is 3955860641. The next prime is 3955860737. The reversal of 3955860660 is 660685593.

It is a super-2 number, since 2×3955860660² = 31297667122671271200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32965446 + ... + 32965565.

It is an arithmetic number, because the mean of its divisors is an integer number (461517084).

Almost surely, 2^3955860660 is an apocalyptic number.

3955860660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3955860660 is an abundant number, since it is smaller than the sum of its proper divisors (7120549356).

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

3955860660 is a wasteful number, since it uses less digits than its factorization.

3955860660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65931023 (or 65931021 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The square root of 3955860660 is about 62895.6330757549. The cubic root of 3955860660 is about 1581.5405393213.

The spelling of 3955860660 in words is "three billion, nine hundred fifty-five million, eight hundred sixty thousand, six hundred sixty".