4044920 has 64 divisors (see below), whose sum is σ = 10303200. Its totient is φ = 1415680.

The previous prime is 4044917. The next prime is 4044959. The reversal of 4044920 is 294404.

It is a happy number.

It is a super-2 number, since 2×4044920² = 32722755612800, which contains 22 as substring.

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, 12602 + ... + 12918.

Almost surely, 2^4044920 is an apocalyptic number.

4044920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4044920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5151600).

4044920 is an abundant number, since it is smaller than the sum of its proper divisors (6258280).

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

4044920 is a wasteful number, since it uses less digits than its factorization.

4044920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4044920 is about 2011.1986475731. The cubic root of 4044920 is about 159.3321117456.

The spelling of 4044920 in words is "four million, forty-four thousand, nine hundred twenty".