493249816 has 16 divisors (see below), whose sum is σ = 928816200. Its totient is φ = 245565504.

The previous prime is 493249811. The next prime is 493249817. The reversal of 493249816 is 618942394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493249811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130446 + ... + 134173.

Almost surely, 2^493249816 is an apocalyptic number.

It is an amenable number.

493249816 is a deficient number, since it is larger than the sum of its proper divisors (435566384).

493249816 is a wasteful number, since it uses less digits than its factorization.

493249816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264858 (or 264854 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 493249816 is about 22209.2281720910. The cubic root of 493249816 is about 790.1125812957.

The spelling of 493249816 in words is "four hundred ninety-three million, two hundred forty-nine thousand, eight hundred sixteen".