497647404 has 18 divisors (see below), whose sum is σ = 1257942140. Its totient is φ = 165882456.

The previous prime is 497647361. The next prime is 497647417. The reversal of 497647404 is 404746794.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 497647404.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6911734 + ... + 6911805.

Almost surely, 2^497647404 is an apocalyptic number.

It is an amenable number.

497647404 is an abundant number, since it is smaller than the sum of its proper divisors (760294736).

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

497647404 is a wasteful number, since it uses less digits than its factorization.

497647404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13823549 (or 13823544 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 497647404 is about 22308.0121032781. The cubic root of 497647404 is about 792.4537306758.

The spelling of 497647404 in words is "four hundred ninety-seven million, six hundred forty-seven thousand, four hundred four".