493213761 has 24 divisors (see below), whose sum is σ = 753891840. Its totient is φ = 309852000.

The previous prime is 493213753. The next prime is 493213781. The reversal of 493213761 is 167312394.

It is not a de Polignac number, because 493213761 - 2³ = 493213753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493213711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25111 + ... + 40211.

It is an arithmetic number, because the mean of its divisors is an integer number (31412160).

Almost surely, 2^493213761 is an apocalyptic number.

It is an amenable number.

493213761 is a deficient number, since it is larger than the sum of its proper divisors (260678079).

493213761 is a wasteful number, since it uses less digits than its factorization.

493213761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15317 (or 15314 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 493213761 is about 22208.4164451228. The cubic root of 493213761 is about 790.0933292505.

The spelling of 493213761 in words is "four hundred ninety-three million, two hundred thirteen thousand, seven hundred sixty-one".