57830886 has 24 divisors (see below), whose sum is σ = 126135984. Its totient is φ = 19148400.

The previous prime is 57830879. The next prime is 57830887. The reversal of 57830886 is 68803875.

It is a super-2 number, since 2×57830886² = 6688822751089992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57830887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7921 + ... + 13356.

It is an arithmetic number, because the mean of its divisors is an integer number (5255666).

Almost surely, 2^57830886 is an apocalyptic number.

57830886 is an abundant number, since it is smaller than the sum of its proper divisors (68305098).

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

57830886 is a wasteful number, since it uses less digits than its factorization.

57830886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21436 (or 21433 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 57830886 is about 7604.6621226719. The cubic root of 57830886 is about 386.7110797511.

The spelling of 57830886 in words is "fifty-seven million, eight hundred thirty thousand, eight hundred eighty-six".