499984172 has 24 divisors (see below), whose sum is σ = 899016720. Its totient is φ = 243210240.

The previous prime is 499984171. The next prime is 499984181. The reversal of 499984172 is 271489994.

It is not an unprimeable number, because it can be changed into a prime (499984171) 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, 11972 + ... + 33812.

It is an arithmetic number, because the mean of its divisors is an integer number (37459030).

Almost surely, 2^499984172 is an apocalyptic number.

It is an amenable number.

499984172 is a deficient number, since it is larger than the sum of its proper divisors (399032548).

499984172 is a wasteful number, since it uses less digits than its factorization.

499984172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22001 (or 21999 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The square root of 499984172 is about 22360.3258473574. The cubic root of 499984172 is about 793.6921507678.

The spelling of 499984172 in words is "four hundred ninety-nine million, nine hundred eighty-four thousand, one hundred seventy-two".