257084 has 6 divisors (see below), whose sum is σ = 449904. Its totient is φ = 128540.

The previous prime is 257077. The next prime is 257093. The reversal of 257084 is 480752.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 257084.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32132 + ... + 32139.

It is an arithmetic number, because the mean of its divisors is an integer number (74984).

2²⁵⁷⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

257084 is a deficient number, since it is larger than the sum of its proper divisors (192820).

257084 is a wasteful number, since it uses less digits than its factorization.

257084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64275 (or 64273 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 257084 is about 507.0345155904. The cubic root of 257084 is about 63.5855378954.

The spelling of 257084 in words is "two hundred fifty-seven thousand, eighty-four".