499560894 has 48 divisors (see below), whose sum is σ = 1240012800. Its totient is φ = 142385040.

The previous prime is 499560889. The next prime is 499560917. The reversal of 499560894 is 498065994.

499560894 is a `hidden beast` number, since 499 + 5 + 60 + 8 + 94 = 666.

It is a super-2 number, since 2×499560894² = 499122173628158472, which contains 22 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 499560894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49707 + ... + 58905.

It is an arithmetic number, because the mean of its divisors is an integer number (25833600).

Almost surely, 2^499560894 is an apocalyptic number.

499560894 is an abundant number, since it is smaller than the sum of its proper divisors (740451906).

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

499560894 is a wasteful number, since it uses less digits than its factorization.

499560894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9645 (or 9642 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 499560894 is about 22350.8589096706. The cubic root of 499560894 is about 793.4681121592.

The spelling of 499560894 in words is "four hundred ninety-nine million, five hundred sixty thousand, eight hundred ninety-four".