457432 has 8 divisors (see below), whose sum is σ = 857700. Its totient is φ = 228712.

The previous prime is 457421. The next prime is 457433. The reversal of 457432 is 234754.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 457397 and 457406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457433) by changing a digit.

457432 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28582 + ... + 28597.

2⁴⁵⁷⁴³² is an apocalyptic number.

It is an amenable number.

457432 is a deficient number, since it is larger than the sum of its proper divisors (400268).

457432 is a wasteful number, since it uses less digits than its factorization.

457432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57185 (or 57181 counting only the distinct ones).

The product of its digits is 3360, while the sum is 25.

The square root of 457432 is about 676.3371940090. The cubic root of 457432 is about 77.0505093914.

The spelling of 457432 in words is "four hundred fifty-seven thousand, four hundred thirty-two".