57386938 has 12 divisors (see below), whose sum is σ = 100134522. Its totient is φ = 24594360.

The previous prime is 57386929. The next prime is 57386941. The reversal of 57386938 is 83968375.

It can be written as a sum of positive squares in only one way, i.e., 57259489 + 127449 = 7567^2 + 357^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 57386891 and 57386900.

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 5 ways as a sum of consecutive naturals, for example, 292693 + ... + 292888.

Almost surely, 2^57386938 is an apocalyptic number.

57386938 is a deficient number, since it is larger than the sum of its proper divisors (42747584).

57386938 is a wasteful number, since it uses less digits than its factorization.

57386938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585597 (or 585590 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 57386938 is about 7575.4166882093. The cubic root of 57386938 is about 385.7189870353.

The spelling of 57386938 in words is "fifty-seven million, three hundred eighty-six thousand, nine hundred thirty-eight".