457855684 has 24 divisors (see below), whose sum is σ = 941326848. Its totient is φ = 192107040.

The previous prime is 457855681. The next prime is 457855721. The reversal of 457855684 is 486558754.

It is a happy number.

It is a super-2 number, since 2×457855684² = 419263654742215712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (457855681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399652 + ... + 400795.

It is an arithmetic number, because the mean of its divisors is an integer number (39221952).

Almost surely, 2^457855684 is an apocalyptic number.

457855684 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

457855684 is an abundant number, since it is smaller than the sum of its proper divisors (483471164).

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

457855684 is a wasteful number, since it uses less digits than its factorization.

457855684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800475 (or 800473 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 52.

The square root of 457855684 is about 21397.5625714706. The cubic root of 457855684 is about 770.7429069973.

The spelling of 457855684 in words is "four hundred fifty-seven million, eight hundred fifty-five thousand, six hundred eighty-four".