8487090 has 48 divisors (see below), whose sum is σ = 22230936. Its totient is φ = 2246400.

The previous prime is 8487079. The next prime is 8487103. The reversal of 8487090 is 907848.

It can be written as a sum of positive squares in 4 ways, for example, as 3164841 + 5322249 = 1779^2 + 2307^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16030 + ... + 16550.

Almost surely, 2^8487090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8487090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11115468).

8487090 is an abundant number, since it is smaller than the sum of its proper divisors (13743846).

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

8487090 is a wasteful number, since it uses less digits than its factorization.

8487090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8487090 is about 2913.2610593629. The cubic root of 8487090 is about 203.9793808456.

The spelling of 8487090 in words is "eight million, four hundred eighty-seven thousand, ninety".