257084938 has 16 divisors (see below), whose sum is σ = 438975936. Its totient is φ = 111775840.

The previous prime is 257084923. The next prime is 257084951. The reversal of 257084938 is 839480752.

257084938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253531 + ... + 254542.

It is an arithmetic number, because the mean of its divisors is an integer number (27435996).

Almost surely, 2^257084938 is an apocalyptic number.

257084938 is a deficient number, since it is larger than the sum of its proper divisors (181890998).

257084938 is a wasteful number, since it uses less digits than its factorization.

257084938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508109.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 257084938 is about 16033.8684664681. The cubic root of 257084938 is about 635.8561522836.

The spelling of 257084938 in words is "two hundred fifty-seven million, eighty-four thousand, nine hundred thirty-eight".