57838939 has 4 divisors (see below), whose sum is σ = 58819320. Its totient is φ = 56858560.

The previous prime is 57838933. The next prime is 57838967. The reversal of 57838939 is 93983875.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57838939 - 2³ = 57838931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57838931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490102 + ... + 490219.

It is an arithmetic number, because the mean of its divisors is an integer number (14704830).

Almost surely, 2^57838939 is an apocalyptic number.

57838939 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

57838939 is a deficient number, since it is larger than the sum of its proper divisors (980381).

57838939 is an equidigital number, since it uses as much as digits as its factorization.

57838939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980380.

The product of its digits is 1632960, while the sum is 52.

The square root of 57838939 is about 7605.1915820708. The cubic root of 57838939 is about 386.7290288668.

The spelling of 57838939 in words is "fifty-seven million, eight hundred thirty-eight thousand, nine hundred thirty-nine".