87924424 has 48 divisors (see below), whose sum is σ = 194970780. Its totient is φ = 37054080.

The previous prime is 87924413. The next prime is 87924437. The reversal of 87924424 is 42442978.

It can be written as a sum of positive squares in 2 ways, for example, as 86155524 + 1768900 = 9282^2 + 1330^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22074 + ... + 25750.

Almost surely, 2^87924424 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 87924424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97485390).

87924424 is an abundant number, since it is smaller than the sum of its proper divisors (107046356).

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

87924424 is a wasteful number, since it uses less digits than its factorization.

87924424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758 (or 3747 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 87924424 is about 9376.8024400645. The cubic root of 87924424 is about 444.6686486753.

The spelling of 87924424 in words is "eighty-seven million, nine hundred twenty-four thousand, four hundred twenty-four".