497971830 has 16 divisors (see below), whose sum is σ = 1195132464. Its totient is φ = 132792480.

The previous prime is 497971823. The next prime is 497971849. The reversal of 497971830 is 38179794.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 497971830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8299501 + ... + 8299560.

It is an arithmetic number, because the mean of its divisors is an integer number (74695779).

Almost surely, 2^497971830 is an apocalyptic number.

497971830 is an abundant number, since it is smaller than the sum of its proper divisors (697160634).

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

497971830 is a wasteful number, since it uses less digits than its factorization.

497971830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16599071.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 497971830 is about 22315.2824315535. The cubic root of 497971830 is about 792.6258985898.

The spelling of 497971830 in words is "four hundred ninety-seven million, nine hundred seventy-one thousand, eight hundred thirty".