4080989 has 12 divisors (see below), whose sum is σ = 4592448. Its totient is φ = 3596400.

The previous prime is 4080983. The next prime is 4080997. The reversal of 4080989 is 9890804.

It is a de Polignac number, because none of the positive numbers 2^k-4080989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4080983) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14924 + ... + 15194.

It is an arithmetic number, because the mean of its divisors is an integer number (382704).

Almost surely, 2^4080989 is an apocalyptic number.

It is an amenable number.

4080989 is a deficient number, since it is larger than the sum of its proper divisors (511459).

4080989 is a wasteful number, since it uses less digits than its factorization.

4080989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 4080989 is about 2020.1457868184. The cubic root of 4080989 is about 159.8043050151.

The spelling of 4080989 in words is "four million, eighty thousand, nine hundred eighty-nine".