457636 has 12 divisors (see below), whose sum is σ = 806400. Its totient is φ = 227240.

The previous prime is 457621. The next prime is 457643. The reversal of 457636 is 636754.

It is a junction number, because it is equal to n+sod(n) for n = 457598 and 457607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (67200).

2⁴⁵⁷⁶³⁶ is an apocalyptic number.

It is an amenable number.

457636 is a deficient number, since it is larger than the sum of its proper divisors (348764).

457636 is a wasteful number, since it uses less digits than its factorization.

457636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 792 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 457636 is about 676.4879895460. The cubic root of 457636 is about 77.0619617077.

The spelling of 457636 in words is "four hundred fifty-seven thousand, six hundred thirty-six".