57839340 has 96 divisors (see below), whose sum is σ = 180492480. Its totient is φ = 13741056.

The previous prime is 57839333. The next prime is 57839357. The reversal of 57839340 is 4393875.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21342 + ... + 23898.

It is an arithmetic number, because the mean of its divisors is an integer number (1880130).

Almost surely, 2^57839340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57839340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90246240).

57839340 is an abundant number, since it is smaller than the sum of its proper divisors (122653140).

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

57839340 is a wasteful number, since it uses less digits than its factorization.

57839340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 57839340 is about 7605.2179455950. The cubic root of 57839340 is about 386.7299226014.

The spelling of 57839340 in words is "fifty-seven million, eight hundred thirty-nine thousand, three hundred forty".