495689172 has 48 divisors (see below), whose sum is σ = 1282459584. Its totient is φ = 147744000.

The previous prime is 495689171. The next prime is 495689203. The reversal of 495689172 is 271986594.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495689171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22729 + ... + 38832.

It is an arithmetic number, because the mean of its divisors is an integer number (26717908).

Almost surely, 2^495689172 is an apocalyptic number.

It is an amenable number.

495689172 is an abundant number, since it is smaller than the sum of its proper divisors (786770412).

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

495689172 is a wasteful number, since it uses less digits than its factorization.

495689172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61640 (or 61638 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 495689172 is about 22264.0780631043. The cubic root of 495689172 is about 791.4129347581.

The spelling of 495689172 in words is "four hundred ninety-five million, six hundred eighty-nine thousand, one hundred seventy-two".