4044990 has 32 divisors (see below), whose sum is σ = 9804960. Its totient is φ = 1067904.

The previous prime is 4044983. The next prime is 4045009. The reversal of 4044990 is 994404.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2652 + ... + 3888.

It is an arithmetic number, because the mean of its divisors is an integer number (306405).

Almost surely, 2^4044990 is an apocalyptic number.

4044990 is an abundant number, since it is smaller than the sum of its proper divisors (5759970).

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

4044990 is a wasteful number, since it uses less digits than its factorization.

4044990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4044990 is about 2011.2160500553. The cubic root of 4044990 is about 159.3330308560. Note that the first 3 decimals are identical.

The spelling of 4044990 in words is "four million, forty-four thousand, nine hundred ninety".