4400920 has 16 divisors (see below), whose sum is σ = 9902160. Its totient is φ = 1760352.

The previous prime is 4400917. The next prime is 4400923. The reversal of 4400920 is 290044.

It is an interprime number because it is at equal distance from previous prime (4400917) and next prime (4400923).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54972 + ... + 55051.

It is an arithmetic number, because the mean of its divisors is an integer number (618885).

Almost surely, 2^4400920 is an apocalyptic number.

4400920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4400920 is an abundant number, since it is smaller than the sum of its proper divisors (5501240).

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

4400920 is a wasteful number, since it uses less digits than its factorization.

4400920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110034 (or 110030 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4400920 is about 2097.8369812738. The cubic root of 4400920 is about 163.8756741662.

Adding to 4400920 its reverse (290044), we get a palindrome (4690964).

The spelling of 4400920 in words is "four million, four hundred thousand, nine hundred twenty".