457634988 has 48 divisors (see below), whose sum is σ = 1248912000. Its totient is φ = 144515664.

The previous prime is 457634963. The next prime is 457635023. The reversal of 457634988 is 889436754.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109458 + ... + 113561.

It is an arithmetic number, because the mean of its divisors is an integer number (26019000).

Almost surely, 2^457634988 is an apocalyptic number.

It is an amenable number.

457634988 is an abundant number, since it is smaller than the sum of its proper divisors (791277012).

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

457634988 is a wasteful number, since it uses less digits than its factorization.

457634988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223051 (or 223043 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 457634988 is about 21392.4049138941. The cubic root of 457634988 is about 770.6190490362.

The spelling of 457634988 in words is "four hundred fifty-seven million, six hundred thirty-four thousand, nine hundred eighty-eight".