457684 has 12 divisors (see below), whose sum is σ = 827008. Its totient is φ = 221400.

The previous prime is 457679. The next prime is 457687. The reversal of 457684 is 486754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1722 + ... + 1969.

2⁴⁵⁷⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

457684 is a deficient number, since it is larger than the sum of its proper divisors (369324).

457684 is a wasteful number, since it uses less digits than its factorization.

457684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726 (or 3724 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 457684 is about 676.5234659640. The cubic root of 457684 is about 77.0646558757.

The spelling of 457684 in words is "four hundred fifty-seven thousand, six hundred eighty-four".