987224904 has 48 divisors (see below), whose sum is σ = 2700226620. Its totient is φ = 325814400.

The previous prime is 987224897. The next prime is 987224923. The reversal of 987224904 is 409422789.

987224904 is a `hidden beast` number, since 98 + 72 + 2 + 490 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 986588100 + 636804 = 31410^2 + 798^2 .

It is a super-2 number, since 2×987224904² = 1949226022155618432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 987224904.

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, 60607 + ... + 75150.

Almost surely, 2^987224904 is an apocalyptic number.

It is an amenable number.

987224904 is an abundant number, since it is smaller than the sum of its proper divisors (1713001716).

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

987224904 is a wasteful number, since it uses less digits than its factorization.

987224904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135870 (or 135863 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 987224904 is about 31420.1353275252. The cubic root of 987224904 is about 995.7233711852.

The spelling of 987224904 in words is "nine hundred eighty-seven million, two hundred twenty-four thousand, nine hundred four".