57890638 has 16 divisors (see below), whose sum is σ = 94394160. Its totient is φ = 26467776.

The previous prime is 57890621. The next prime is 57890639. The reversal of 57890638 is 83609875.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57890639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7623 + ... + 13186.

It is an arithmetic number, because the mean of its divisors is an integer number (5899635).

Almost surely, 2^57890638 is an apocalyptic number.

57890638 is a deficient number, since it is larger than the sum of its proper divisors (36503522).

57890638 is a wasteful number, since it uses less digits than its factorization.

57890638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20931.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 57890638 is about 7608.5897510643. The cubic root of 57890638 is about 386.8442197189.

The spelling of 57890638 in words is "fifty-seven million, eight hundred ninety thousand, six hundred thirty-eight".