57894639 has 32 divisors (see below), whose sum is σ = 92067840. Its totient is φ = 31948800.

The previous prime is 57894631. The next prime is 57894649. The reversal of 57894639 is 93649875.

It is not a de Polignac number, because 57894639 - 2³ = 57894631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 57894591 and 57894600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57894631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15727 + ... + 19055.

It is an arithmetic number, because the mean of its divisors is an integer number (2877120).

Almost surely, 2^57894639 is an apocalyptic number.

57894639 is a deficient number, since it is larger than the sum of its proper divisors (34173201).

57894639 is a wasteful number, since it uses less digits than its factorization.

57894639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391.

The product of its digits is 1632960, while the sum is 51.

The square root of 57894639 is about 7608.8526730382. The cubic root of 57894639 is about 386.8531315114.

The spelling of 57894639 in words is "fifty-seven million, eight hundred ninety-four thousand, six hundred thirty-nine".