3156379890 has 32 divisors (see below), whose sum is σ = 7576886016. Its totient is φ = 841526400.

The previous prime is 3156379879. The next prime is 3156379931. The reversal of 3156379890 is 989736513.

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, 207174 + ... + 221886.

It is an arithmetic number, because the mean of its divisors is an integer number (236777688).

Almost surely, 2^3156379890 is an apocalyptic number.

3156379890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3156379890 is an abundant number, since it is smaller than the sum of its proper divisors (4420506126).

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

3156379890 is a wasteful number, since it uses less digits than its factorization.

3156379890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21874.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 3156379890 is about 56181.6686295450. The cubic root of 3156379890 is about 1466.8861989452.

The spelling of 3156379890 in words is "three billion, one hundred fifty-six million, three hundred seventy-nine thousand, eight hundred ninety".