485807658 has 24 divisors (see below), whose sum is σ = 1130247072. Its totient is φ = 138802104.

The previous prime is 485807573. The next prime is 485807671. The reversal of 485807658 is 856708584.

It is a super-4 number, since 4×485807658⁴ (a number of 36 digits) contains 4444 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 485807658.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825910 + ... + 826497.

It is an arithmetic number, because the mean of its divisors is an integer number (47093628).

Almost surely, 2^485807658 is an apocalyptic number.

485807658 is an abundant number, since it is smaller than the sum of its proper divisors (644439414).

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

485807658 is a wasteful number, since it uses less digits than its factorization.

485807658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652426 (or 1652419 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 51.

The square root of 485807658 is about 22041.0448481917. The cubic root of 485807658 is about 786.1186846917.

The spelling of 485807658 in words is "four hundred eighty-five million, eight hundred seven thousand, six hundred fifty-eight".