457342928 has 20 divisors (see below), whose sum is σ = 1012688160. Its totient is φ = 196004064.

The previous prime is 457342927. The next prime is 457342933. The reversal of 457342928 is 829243754.

It is a super-2 number, since 2×457342928² = 418325107583226368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457342927) 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, 2041598 + ... + 2041821.

It is an arithmetic number, because the mean of its divisors is an integer number (50634408).

Almost surely, 2^457342928 is an apocalyptic number.

It is an amenable number.

457342928 is an abundant number, since it is smaller than the sum of its proper divisors (555345232).

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

457342928 is a wasteful number, since it uses less digits than its factorization.

457342928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083434 (or 4083428 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 457342928 is about 21385.5775699419. The cubic root of 457342928 is about 770.4550792778.

The spelling of 457342928 in words is "four hundred fifty-seven million, three hundred forty-two thousand, nine hundred twenty-eight".