494564884 has 24 divisors (see below), whose sum is σ = 999710208. Its totient is φ = 211578240.

The previous prime is 494564849. The next prime is 494564891. The reversal of 494564884 is 488465494.

It is a congruent number.

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, 329844 + ... + 331339.

It is an arithmetic number, because the mean of its divisors is an integer number (41654592).

Almost surely, 2^494564884 is an apocalyptic number.

494564884 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

494564884 is an abundant number, since it is smaller than the sum of its proper divisors (505145324).

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

494564884 is a wasteful number, since it uses less digits than its factorization.

494564884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661215 (or 661213 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The square root of 494564884 is about 22238.8148065494. The cubic root of 494564884 is about 790.8141390649.

The spelling of 494564884 in words is "four hundred ninety-four million, five hundred sixty-four thousand, eight hundred eighty-four".