497566408 has 16 divisors (see below), whose sum is σ = 944178480. Its totient is φ = 245785488.

The previous prime is 497566403. The next prime is 497566409. The reversal of 497566408 is 804665794.

It is not an unprimeable number, because it can be changed into a prime (497566403) 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, 374010 + ... + 375337.

It is an arithmetic number, because the mean of its divisors is an integer number (59011155).

Almost surely, 2^497566408 is an apocalyptic number.

It is an amenable number.

497566408 is a deficient number, since it is larger than the sum of its proper divisors (446612072).

497566408 is a wasteful number, since it uses less digits than its factorization.

497566408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749436 (or 749432 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 497566408 is about 22306.1966278431. The cubic root of 497566408 is about 792.4107356661.

The spelling of 497566408 in words is "four hundred ninety-seven million, five hundred sixty-six thousand, four hundred eight".