4401999 has 16 divisors (see below), whose sum is σ = 7453440. Its totient is φ = 2515320.

The previous prime is 4401989. The next prime is 4402003. The reversal of 4401999 is 9991044.

It is not a de Polignac number, because 4401999 - 2⁴ = 4401983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11457 + ... + 11834.

It is an arithmetic number, because the mean of its divisors is an integer number (465840).

Almost surely, 2^4401999 is an apocalyptic number.

4401999 is a deficient number, since it is larger than the sum of its proper divisors (3051441).

4401999 is a wasteful number, since it uses less digits than its factorization.

4401999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23307 (or 23301 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 4401999 is about 2098.0941351617. The cubic root of 4401999 is about 163.8890658664.

The spelling of 4401999 in words is "four million, four hundred one thousand, nine hundred ninety-nine".