457538658 has 16 divisors (see below), whose sum is σ = 963239520. Its totient is φ = 144485856.

The previous prime is 457538623. The next prime is 457538681. The reversal of 457538658 is 856835754.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 457538658.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006635 + ... + 2006862.

It is an arithmetic number, because the mean of its divisors is an integer number (60202470).

Almost surely, 2^457538658 is an apocalyptic number.

457538658 is an abundant number, since it is smaller than the sum of its proper divisors (505700862).

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

457538658 is a wasteful number, since it uses less digits than its factorization.

457538658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013521.

The product of its digits is 4032000, while the sum is 51.

The square root of 457538658 is about 21390.1532953834. The cubic root of 457538658 is about 770.5649746871.

The spelling of 457538658 in words is "four hundred fifty-seven million, five hundred thirty-eight thousand, six hundred fifty-eight".