493075664 has 20 divisors (see below), whose sum is σ = 966070980. Its totient is φ = 243767040.

The previous prime is 493075651. The next prime is 493075691. The reversal of 493075664 is 466570394.

It can be written as a sum of positive squares in 2 ways, for example, as 231283264 + 261792400 = 15208^2 + 16180^2 .

It is a super-2 number, since 2×493075664² = 486247220858081792, which contains 22 as substring.

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, 171707 + ... + 174554.

It is an arithmetic number, because the mean of its divisors is an integer number (48303549).

Almost surely, 2^493075664 is an apocalyptic number.

It is an amenable number.

493075664 is a deficient number, since it is larger than the sum of its proper divisors (472995316).

493075664 is a wasteful number, since it uses less digits than its factorization.

493075664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346358 (or 346352 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 493075664 is about 22205.3071133907. The cubic root of 493075664 is about 790.0195818465.

The spelling of 493075664 in words is "four hundred ninety-three million, seventy-five thousand, six hundred sixty-four".