485621658 has 12 divisors (see below), whose sum is σ = 1052180298. Its totient is φ = 161873880.

The previous prime is 485621657. The next prime is 485621663. The reversal of 485621658 is 856126584.

485621658 is a `hidden beast` number, since 485 + 6 + 2 + 165 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 419963049 + 65658609 = 20493^2 + 8103^2 .

It is not an unprimeable number, because it can be changed into a prime (485621657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13489473 + ... + 13489508.

Almost surely, 2^485621658 is an apocalyptic number.

485621658 is an abundant number, since it is smaller than the sum of its proper divisors (566558640).

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

485621658 is a wasteful number, since it uses less digits than its factorization.

485621658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26978989 (or 26978986 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 485621658 is about 22036.8250435493. The cubic root of 485621658 is about 786.0183454336.

The spelling of 485621658 in words is "four hundred eighty-five million, six hundred twenty-one thousand, six hundred fifty-eight".