8040990 has 32 divisors (see below), whose sum is σ = 20315520. Its totient is φ = 2031264.

The previous prime is 8040947. The next prime is 8041003. The reversal of 8040990 is 990408.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 6484 + ... + 7623.

It is an arithmetic number, because the mean of its divisors is an integer number (634860).

Almost surely, 2^8040990 is an apocalyptic number.

8040990 is an abundant number, since it is smaller than the sum of its proper divisors (12274530).

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

8040990 is a wasteful number, since it uses less digits than its factorization.

8040990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14136.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 8040990 is about 2835.6639434178. The cubic root of 8040990 is about 200.3410015925.

The spelling of 8040990 in words is "eight million, forty thousand, nine hundred ninety".