499231172 has 24 divisors (see below), whose sum is σ = 985944960. Its totient is φ = 219097760.

The previous prime is 499231157. The next prime is 499231177. The reversal of 499231172 is 271132994.

It is not an unprimeable number, because it can be changed into a prime (499231177) 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, 194348 + ... + 196899.

It is an arithmetic number, because the mean of its divisors is an integer number (41081040).

Almost surely, 2^499231172 is an apocalyptic number.

It is an amenable number.

499231172 is a deficient number, since it is larger than the sum of its proper divisors (486713788).

499231172 is a wasteful number, since it uses less digits than its factorization.

499231172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391291 (or 391289 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 499231172 is about 22343.4816445423. The cubic root of 499231172 is about 793.2935045011.

The spelling of 499231172 in words is "four hundred ninety-nine million, two hundred thirty-one thousand, one hundred seventy-two".