457516828 has 12 divisors (see below), whose sum is σ = 835465680. Its totient is φ = 218812352.

The previous prime is 457516819. The next prime is 457516901. The reversal of 457516828 is 828615754.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

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, 2486413 + ... + 2486596.

It is an arithmetic number, because the mean of its divisors is an integer number (69622140).

Almost surely, 2^457516828 is an apocalyptic number.

It is an amenable number.

457516828 is a deficient number, since it is larger than the sum of its proper divisors (377948852).

457516828 is a wasteful number, since it uses less digits than its factorization.

457516828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973036 (or 4973034 counting only the distinct ones).

The product of its digits is 537600, while the sum is 46.

The square root of 457516828 is about 21389.6430077736. The cubic root of 457516828 is about 770.5527194743.

The spelling of 457516828 in words is "four hundred fifty-seven million, five hundred sixteen thousand, eight hundred twenty-eight".