3158609028 has 12 divisors (see below), whose sum is σ = 7370087760. Its totient is φ = 1052869672.

The previous prime is 3158609017. The next prime is 3158609093. The reversal of 3158609028 is 8209068513.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 131608698 + ... + 131608721.

It is an arithmetic number, because the mean of its divisors is an integer number (614173980).

Almost surely, 2^3158609028 is an apocalyptic number.

It is an amenable number.

3158609028 is an abundant number, since it is smaller than the sum of its proper divisors (4211478732).

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

3158609028 is a wasteful number, since it uses less digits than its factorization.

3158609028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263217426 (or 263217424 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 3158609028 is about 56201.5037877102. The cubic root of 3158609028 is about 1467.2314385779.

The spelling of 3158609028 in words is "three billion, one hundred fifty-eight million, six hundred nine thousand, twenty-eight".