8916990 has 16 divisors (see below), whose sum is σ = 21400848. Its totient is φ = 2377856.

The previous prime is 8916977. The next prime is 8917001. The reversal of 8916990 is 996198.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148587 + ... + 148646.

It is an arithmetic number, because the mean of its divisors is an integer number (1337553).

Almost surely, 2^8916990 is an apocalyptic number.

8916990 is an abundant number, since it is smaller than the sum of its proper divisors (12483858).

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

8916990 is a wasteful number, since it uses less digits than its factorization.

8916990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297243.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 8916990 is about 2986.1329508245. The cubic root of 8916990 is about 207.3668958142.

The spelling of 8916990 in words is "eight million, nine hundred sixteen thousand, nine hundred ninety".