57398 has 8 divisors (see below), whose sum is σ = 93960. Its totient is φ = 26080.

The previous prime is 57397. The next prime is 57413. The reversal of 57398 is 89375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283 + ... + 1326.

It is an arithmetic number, because the mean of its divisors is an integer number (11745).

2⁵⁷³⁹⁸ is an apocalyptic number.

57398 is a deficient number, since it is larger than the sum of its proper divisors (36562).

57398 is a wasteful number, since it uses less digits than its factorization.

57398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622.

The product of its digits is 7560, while the sum is 32.

The square root of 57398 is about 239.5787970585. The cubic root of 57398 is about 38.5743769384.

The spelling of 57398 in words is "fifty-seven thousand, three hundred ninety-eight".