8107990 has 16 divisors (see below), whose sum is σ = 15921360. Its totient is φ = 2948320.

The previous prime is 8107973. The next prime is 8107999. The reversal of 8107990 is 997018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8107999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36745 + ... + 36964.

It is an arithmetic number, because the mean of its divisors is an integer number (995085).

Almost surely, 2^8107990 is an apocalyptic number.

8107990 is a deficient number, since it is larger than the sum of its proper divisors (7813370).

8107990 is a wasteful number, since it uses less digits than its factorization.

8107990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73727.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 8107990 is about 2847.4532480798. The cubic root of 8107990 is about 200.8958975126.

The spelling of 8107990 in words is "eight million, one hundred seven thousand, nine hundred ninety".