57906399 has 8 divisors (see below), whose sum is σ = 77244160. Its totient is φ = 38586456.

The previous prime is 57906383. The next prime is 57906439. The reversal of 57906399 is 99360975.

It is a happy number.

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

It is not a de Polignac number, because 57906399 - 2⁴ = 57906383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57906349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8592 + ... + 13770.

It is an arithmetic number, because the mean of its divisors is an integer number (9655520).

Almost surely, 2^57906399 is an apocalyptic number.

57906399 is a deficient number, since it is larger than the sum of its proper divisors (19337761).

57906399 is a wasteful number, since it uses less digits than its factorization.

57906399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8909.

The product of its (nonzero) digits is 459270, while the sum is 48.

The square root of 57906399 is about 7609.6254178507. The cubic root of 57906399 is about 386.8793232562.

The spelling of 57906399 in words is "fifty-seven million, nine hundred six thousand, three hundred ninety-nine".