987098724 has 30 divisors (see below), whose sum is σ = 2580471894. Its totient is φ = 329032800.

The previous prime is 987098719. The next prime is 987098741. The reversal of 987098724 is 427890789.

It can be written as a sum of positive squares in only one way, i.e., 935258724 + 51840000 = 30582^2 + 7200^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1522977 + ... + 1523624.

Almost surely, 2^987098724 is an apocalyptic number.

It is an amenable number.

987098724 is an abundant number, since it is smaller than the sum of its proper divisors (1593373170).

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

987098724 is a wasteful number, since it uses less digits than its factorization.

987098724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046617 (or 3046606 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 987098724 is about 31418.1273152936. The cubic root of 987098724 is about 995.6809473067.

The spelling of 987098724 in words is "nine hundred eighty-seven million, ninety-eight thousand, seven hundred twenty-four".