497279808 has 84 divisors (see below), whose sum is σ = 1448831748. Its totient is φ = 163031040.

The previous prime is 497279771. The next prime is 497279819. The reversal of 497279808 is 808972794.

497279808 is a `hidden beast` number, since 497 + 2 + 79 + 80 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 84052224 + 413227584 = 9168^2 + 20328^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28060 + ... + 42212.

It is an arithmetic number, because the mean of its divisors is an integer number (17247997).

Almost surely, 2^497279808 is an apocalyptic number.

497279808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497279808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724415874).

497279808 is an abundant number, since it is smaller than the sum of its proper divisors (951551940).

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

497279808 is a wasteful number, since it uses less digits than its factorization.

497279808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14232 (or 14219 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 497279808 is about 22299.7714786497. The cubic root of 497279808 is about 792.2585626552.

The spelling of 497279808 in words is "four hundred ninety-seven million, two hundred seventy-nine thousand, eight hundred eight".