497390886 has 24 divisors (see below), whose sum is σ = 1095948360. Its totient is φ = 162986496.

The previous prime is 497390867. The next prime is 497390899. The reversal of 497390886 is 688093794.

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, 233115 + ... + 235238.

It is an arithmetic number, because the mean of its divisors is an integer number (45664515).

Almost surely, 2^497390886 is an apocalyptic number.

497390886 is an abundant number, since it is smaller than the sum of its proper divisors (598557474).

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

497390886 is a wasteful number, since it uses less digits than its factorization.

497390886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468420 (or 468417 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 497390886 is about 22302.2619032241. The cubic root of 497390886 is about 792.3175475189.

It can be divided in two parts, 4973 and 90886, that added together give a palindrome (95859).

The spelling of 497390886 in words is "four hundred ninety-seven million, three hundred ninety thousand, eight hundred eighty-six".