499992697 has 4 divisors (see below), whose sum is σ = 502195536. Its totient is φ = 497789860.

The previous prime is 499992679. The next prime is 499992709. The reversal of 499992697 is 796299994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499992697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499992617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101079 + ... + 1101532.

It is an arithmetic number, because the mean of its divisors is an integer number (125548884).

Almost surely, 2^499992697 is an apocalyptic number.

It is an amenable number.

499992697 is a deficient number, since it is larger than the sum of its proper divisors (2202839).

499992697 is a wasteful number, since it uses less digits than its factorization.

499992697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202838.

The product of its digits is 19840464, while the sum is 64.

The square root of 499992697 is about 22360.5164743572. The cubic root of 499992697 is about 793.6966617020.

The spelling of 499992697 in words is "four hundred ninety-nine million, nine hundred ninety-two thousand, six hundred ninety-seven".