457420 has 12 divisors (see below), whose sum is σ = 960624. Its totient is φ = 182960.

The previous prime is 457411. The next prime is 457421. The reversal of 457420 is 24754.

It is a junction number, because it is equal to n+sod(n) for n = 457391 and 457400.

It is not an unprimeable number, because it can be changed into a prime (457421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11416 + ... + 11455.

It is an arithmetic number, because the mean of its divisors is an integer number (80052).

2⁴⁵⁷⁴²⁰ is an apocalyptic number.

It is an amenable number.

457420 is an abundant number, since it is smaller than the sum of its proper divisors (503204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

457420 is a wasteful number, since it uses less digits than its factorization.

457420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22880 (or 22878 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 457420 is about 676.3283226363. The cubic root of 457420 is about 77.0498356197.

The spelling of 457420 in words is "four hundred fifty-seven thousand, four hundred twenty".