87304244 has 12 divisors (see below), whose sum is σ = 152920068. Its totient is φ = 43612800.

The previous prime is 87304213. The next prime is 87304253. The reversal of 87304244 is 44240378.

It can be written as a sum of positive squares in 2 ways, for example, as 81360400 + 5943844 = 9020^2 + 2438^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87304244.

It is a congruent number.

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, 4517 + ... + 13964.

It is an arithmetic number, because the mean of its divisors is an integer number (12743339).

Almost surely, 2^87304244 is an apocalyptic number.

It is an amenable number.

87304244 is a deficient number, since it is larger than the sum of its proper divisors (65615824).

87304244 is a wasteful number, since it uses less digits than its factorization.

87304244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19666 (or 19664 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 87304244 is about 9343.6740097244. The cubic root of 87304244 is about 443.6206821750.

The spelling of 87304244 in words is "eighty-seven million, three hundred four thousand, two hundred forty-four".