8987730 has 32 divisors (see below), whose sum is σ = 22840704. Its totient is φ = 2255616.

The previous prime is 8987723. The next prime is 8987749. The reversal of 8987730 is 377898.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8302 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (713772).

Almost surely, 2^8987730 is an apocalyptic number.

8987730 is an abundant number, since it is smaller than the sum of its proper divisors (13852974).

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

8987730 is a wasteful number, since it uses less digits than its factorization.

8987730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17650.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 8987730 is about 2997.9543025203. The cubic root of 8987730 is about 207.9138110610.

The spelling of 8987730 in words is "eight million, nine hundred eighty-seven thousand, seven hundred thirty".