493477831 has 16 divisors (see below), whose sum is σ = 615783168. Its totient is φ = 384192000.

The previous prime is 493477799. The next prime is 493477837. The reversal of 493477831 is 138774394.

It is a cyclic number.

It is not a de Polignac number, because 493477831 - 2⁵ = 493477799 is a prime.

It is a super-2 number, since 2×493477831² = 487040739376929122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493477837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121276 + ... + 125278.

It is an arithmetic number, because the mean of its divisors is an integer number (38486448).

Almost surely, 2^493477831 is an apocalyptic number.

493477831 is a deficient number, since it is larger than the sum of its proper divisors (122305337).

493477831 is a wasteful number, since it uses less digits than its factorization.

493477831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622.

The product of its digits is 508032, while the sum is 46.

The square root of 493477831 is about 22214.3609181088. The cubic root of 493477831 is about 790.2343112055.

The spelling of 493477831 in words is "four hundred ninety-three million, four hundred seventy-seven thousand, eight hundred thirty-one".