84971232 has 36 divisors (see below), whose sum is σ = 241637760. Its totient is φ = 28323648.

The previous prime is 84971221. The next prime is 84971233. The reversal of 84971232 is 23217948.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×84971232² = 14440220535195648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84971233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147232 + ... + 147807.

It is an arithmetic number, because the mean of its divisors is an integer number (6712160).

Almost surely, 2^84971232 is an apocalyptic number.

It is an amenable number.

84971232 is an abundant number, since it is smaller than the sum of its proper divisors (156666528).

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

84971232 is a wasteful number, since it uses less digits than its factorization.

84971232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295055 (or 295044 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 84971232 is about 9217.9841614097. The cubic root of 84971232 is about 439.6333584831.

The spelling of 84971232 in words is "eighty-four million, nine hundred seventy-one thousand, two hundred thirty-two".