87204984 has 96 divisors (see below), whose sum is σ = 238320000. Its totient is φ = 26516160.

The previous prime is 87204977. The next prime is 87205033. The reversal of 87204984 is 48940278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438117 + ... + 438315.

It is an arithmetic number, because the mean of its divisors is an integer number (2482500).

Almost surely, 2^87204984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87204984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119160000).

87204984 is an abundant number, since it is smaller than the sum of its proper divisors (151115016).

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

87204984 is a wasteful number, since it uses less digits than its factorization.

87204984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 87204984 is about 9338.3608840096. The cubic root of 87204984 is about 443.4524945229.

It can be divided in two parts, 87204 and 984, that added together give a palindrome (88188).

The spelling of 87204984 in words is "eighty-seven million, two hundred four thousand, nine hundred eighty-four".