497921904 has 200 divisors, whose sum is σ = 1543311440. Its totient is φ = 154524672.

The previous prime is 497921899. The next prime is 497921933. The reversal of 497921904 is 409129794.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 497921904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1797414 + ... + 1797690.

Almost surely, 2^497921904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497921904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771655720).

497921904 is an abundant number, since it is smaller than the sum of its proper divisors (1045389536).

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

497921904 is a wasteful number, since it uses less digits than its factorization.

497921904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 497921904 is about 22314.1637530964. The cubic root of 497921904 is about 792.5994084948.

The spelling of 497921904 in words is "four hundred ninety-seven million, nine hundred twenty-one thousand, nine hundred four".