8040920 has 32 divisors (see below), whose sum is σ = 18537120. Its totient is φ = 3137280.

The previous prime is 8040919. The next prime is 8040931. The reversal of 8040920 is 290408.

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, 812 + ... + 4091.

It is an arithmetic number, because the mean of its divisors is an integer number (579285).

Almost surely, 2^8040920 is an apocalyptic number.

It is an amenable number.

8040920 is an abundant number, since it is smaller than the sum of its proper divisors (10496200).

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

8040920 is a wasteful number, since it uses less digits than its factorization.

8040920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955 (or 4951 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 8040920 is about 2835.6516006026. The cubic root of 8040920 is about 200.3404202415.

The spelling of 8040920 in words is "eight million, forty thousand, nine hundred twenty".