8987290 has 32 divisors (see below), whose sum is σ = 17554320. Its totient is φ = 3293184.

The previous prime is 8987287. The next prime is 8987291. The reversal of 8987290 is 927898.

It can be written as a sum of positive squares in 8 ways, for example, as 2752281 + 6235009 = 1659^2 + 2497^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (8987291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33276 + ... + 33544.

Almost surely, 2^8987290 is an apocalyptic number.

8987290 is a deficient number, since it is larger than the sum of its proper divisors (8567030).

8987290 is a wasteful number, since it uses less digits than its factorization.

8987290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 8987290 is about 2997.8809182488. The cubic root of 8987290 is about 207.9104181550.

The spelling of 8987290 in words is "eight million, nine hundred eighty-seven thousand, two hundred ninety".