84897572 has 12 divisors (see below), whose sum is σ = 149483376. Its totient is φ = 42188040.

The previous prime is 84897569. The next prime is 84897581. The reversal of 84897572 is 27579848.

It is a self number, because there is not a number n which added to its sum of digits gives 84897572.

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, 64454 + ... + 65757.

It is an arithmetic number, because the mean of its divisors is an integer number (12456948).

Almost surely, 2^84897572 is an apocalyptic number.

It is an amenable number.

84897572 is a deficient number, since it is larger than the sum of its proper divisors (64585804).

84897572 is a wasteful number, since it uses less digits than its factorization.

84897572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130378 (or 130376 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 50.

The square root of 84897572 is about 9213.9878445763. The cubic root of 84897572 is about 439.5062850628.

It can be divided in two parts, 8489 and 7572, that added together give a palindrome (16061).

The spelling of 84897572 in words is "eighty-four million, eight hundred ninety-seven thousand, five hundred seventy-two".