457220684 has 12 divisors (see below), whose sum is σ = 819652008. Its totient is φ = 223034400.

The previous prime is 457220683. The next prime is 457220719. The reversal of 457220684 is 486022754.

It is not an unprimeable number, because it can be changed into a prime (457220683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393802 + ... + 1394129.

It is an arithmetic number, because the mean of its divisors is an integer number (68304334).

Almost surely, 2^457220684 is an apocalyptic number.

It is an amenable number.

457220684 is a deficient number, since it is larger than the sum of its proper divisors (362431324).

457220684 is a wasteful number, since it uses less digits than its factorization.

457220684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787976 (or 2787974 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 457220684 is about 21382.7192845064. The cubic root of 457220684 is about 770.3864277272.

The spelling of 457220684 in words is "four hundred fifty-seven million, two hundred twenty thousand, six hundred eighty-four".