497204644 has 12 divisors (see below), whose sum is σ = 921291084. Its totient is φ = 233978624.

The previous prime is 497204621. The next prime is 497204651. The reversal of 497204644 is 446402794.

It can be written as a sum of positive squares in 2 ways, for example, as 209902144 + 287302500 = 14488^2 + 16950^2 .

It is a junction number, because it is equal to n+sod(n) for n = 497204597 and 497204606.

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, 3655849 + ... + 3655984.

It is an arithmetic number, because the mean of its divisors is an integer number (76774257).

Almost surely, 2^497204644 is an apocalyptic number.

It is an amenable number.

497204644 is a deficient number, since it is larger than the sum of its proper divisors (424086440).

497204644 is a wasteful number, since it uses less digits than its factorization.

497204644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7311854 (or 7311852 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 497204644 is about 22298.0861062110. The cubic root of 497204644 is about 792.2186439333.

The spelling of 497204644 in words is "four hundred ninety-seven million, two hundred four thousand, six hundred forty-four".