493930864 has 20 divisors (see below), whose sum is σ = 1093704304. Its totient is φ = 211684608.

The previous prime is 493930823. The next prime is 493930891. The reversal of 493930864 is 468039394.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2204937 + ... + 2205160.

Almost surely, 2^493930864 is an apocalyptic number.

It is an amenable number.

493930864 is an abundant number, since it is smaller than the sum of its proper divisors (599773440).

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

493930864 is a wasteful number, since it uses less digits than its factorization.

493930864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410112 (or 4410106 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 493930864 is about 22224.5554286244. Note that the first 3 decimals coincide. The cubic root of 493930864 is about 790.4760598045.

The spelling of 493930864 in words is "four hundred ninety-three million, nine hundred thirty thousand, eight hundred sixty-four".