497800836 has 96 divisors (see below), whose sum is σ = 1463100800. Its totient is φ = 145100160.

The previous prime is 497800811. The next prime is 497800843. The reversal of 497800836 is 638008794.

It is a happy number.

497800836 is a `hidden beast` number, since 497 + 80 + 0 + 83 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 497800791 and 497800800.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17346 + ... + 36006.

Almost surely, 2^497800836 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 497800836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731550400).

497800836 is an abundant number, since it is smaller than the sum of its proper divisors (965299964).

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

497800836 is a wasteful number, since it uses less digits than its factorization.

497800836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18706 (or 18698 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 497800836 is about 22311.4507820536. The cubic root of 497800836 is about 792.5351640134.

The spelling of 497800836 in words is "four hundred ninety-seven million, eight hundred thousand, eight hundred thirty-six".