497976698 has 4 divisors (see below), whose sum is σ = 746965050. Its totient is φ = 248988348.

The previous prime is 497976691. The next prime is 497976707. The reversal of 497976698 is 896679794.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 313750369 + 184226329 = 17713^2 + 13573^2 .

It is not an unprimeable number, because it can be changed into a prime (497976691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124494173 + ... + 124494176.

Almost surely, 2^497976698 is an apocalyptic number.

497976698 is a deficient number, since it is larger than the sum of its proper divisors (248988352).

497976698 is a wasteful number, since it uses less digits than its factorization.

497976698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248988351.

The product of its digits is 41150592, while the sum is 65.

The square root of 497976698 is about 22315.3915045199. The cubic root of 497976698 is about 792.6284813934.

The spelling of 497976698 in words is "four hundred ninety-seven million, nine hundred seventy-six thousand, six hundred ninety-eight".