84697172 has 12 divisors (see below), whose sum is σ = 169394400. Its totient is φ = 36298776.

The previous prime is 84697163. The next prime is 84697183. The reversal of 84697172 is 27179648.

84697172 is an admirable number.

It is a super-2 number, since 2×84697172² = 14347221889595168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512422 + ... + 1512477.

It is an arithmetic number, because the mean of its divisors is an integer number (14116200).

Almost surely, 2^84697172 is an apocalyptic number.

It is an amenable number.

84697172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

84697172 is a wasteful number, since it uses less digits than its factorization.

84697172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024910 (or 3024908 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 84697172 is about 9203.1066493875. The cubic root of 84697172 is about 439.1601956510.

The spelling of 84697172 in words is "eighty-four million, six hundred ninety-seven thousand, one hundred seventy-two".