497657136 has 40 divisors (see below), whose sum is σ = 1327089664. Its totient is φ = 160534080.

The previous prime is 497657123. The next prime is 497657137. The reversal of 497657136 is 631756794.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (497657137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165736 + ... + 168711.

Almost surely, 2^497657136 is an apocalyptic number.

It is an amenable number.

497657136 is an abundant number, since it is smaller than the sum of its proper divisors (829432528).

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

497657136 is a wasteful number, since it uses less digits than its factorization.

497657136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334489 (or 334483 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 497657136 is about 22308.2302301191. The cubic root of 497657136 is about 792.4588963877.

The spelling of 497657136 in words is "four hundred ninety-seven million, six hundred fifty-seven thousand, one hundred thirty-six".