8730990 has 48 divisors (see below), whose sum is σ = 23547888. Its totient is φ = 2327616.

The previous prime is 8730983. The next prime is 8731027. The reversal of 8730990 is 990378.

8730990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634 + ... + 4226.

It is an arithmetic number, because the mean of its divisors is an integer number (490581).

Almost surely, 2^8730990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8730990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11773944).

8730990 is an abundant number, since it is smaller than the sum of its proper divisors (14816898).

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

8730990 is a wasteful number, since it uses less digits than its factorization.

8730990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615 (or 3603 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 8730990 is about 2954.8248679067. The cubic root of 8730990 is about 205.9149270108.

The spelling of 8730990 in words is "eight million, seven hundred thirty thousand, nine hundred ninety".