987893648 has 20 divisors (see below), whose sum is σ = 2187479040. Its totient is φ = 423382944.

The previous prime is 987893633. The next prime is 987893651. The reversal of 987893648 is 846398789.

It is a happy 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, 4410128 + ... + 4410351.

It is an arithmetic number, because the mean of its divisors is an integer number (109373952).

Almost surely, 2^987893648 is an apocalyptic number.

It is an amenable number.

987893648 is an abundant number, since it is smaller than the sum of its proper divisors (1199585392).

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

987893648 is a wasteful number, since it uses less digits than its factorization.

987893648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8820494 (or 8820488 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 62.

The square root of 987893648 is about 31430.7754915465. The cubic root of 987893648 is about 995.9481540514.

The spelling of 987893648 in words is "nine hundred eighty-seven million, eight hundred ninety-three thousand, six hundred forty-eight".