57868938 has 48 divisors (see below), whose sum is σ = 132209280. Its totient is φ = 18754200.

The previous prime is 57868919. The next prime is 57868963. The reversal of 57868938 is 83986875.

It is a happy number.

57868938 is a `hidden beast` number, since 578 + 68 + 9 + 3 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (2903040) is a multiple of the sum of its prime factors (360).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383163 + ... + 383313.

It is an arithmetic number, because the mean of its divisors is an integer number (2754360).

Almost surely, 2^57868938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57868938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66104640).

57868938 is an abundant number, since it is smaller than the sum of its proper divisors (74340342).

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

57868938 is a wasteful number, since it uses less digits than its factorization.

57868938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 203 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 57868938 is about 7607.1635975572. The cubic root of 57868938 is about 386.7958781737.

The spelling of 57868938 in words is "fifty-seven million, eight hundred sixty-eight thousand, nine hundred thirty-eight".