84971524 has 27 divisors (see below), whose sum is σ = 163838311.
Its totient is φ = 38531240.
The previous prime is 84971521. The next prime is 84971567. The reversal of 84971524 is 42517948.
The square root of 84971524 is 9218.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (84971521) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 202587 + ... + 203005.
Almost surely, 284971524 is an apocalyptic number.
84971524 is the 9218-th square number.
It is an amenable number.
84971524 is a deficient number, since it is larger than the sum of its proper divisors (78866787).
84971524 is a wasteful number, since it uses less digits than its factorization.
84971524 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 864 (or 432 counting only the distinct ones).
The product of its digits is 80640, while the sum is 40.
The cubic root of 84971524 is about 439.6338620762.
The spelling of 84971524 in words is "eighty-four million, nine hundred seventy-one thousand, five hundred twenty-four".