4407920 has 40 divisors (see below), whose sum is σ = 11182320. Its totient is φ = 1602560.

The previous prime is 4407917. The next prime is 4407929. The reversal of 4407920 is 297044.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 4407920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4407929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625 + ... + 3384.

It is an arithmetic number, because the mean of its divisors is an integer number (279558).

Almost surely, 2^4407920 is an apocalyptic number.

4407920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4407920 is an abundant number, since it is smaller than the sum of its proper divisors (6774400).

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

4407920 is a wasteful number, since it uses less digits than its factorization.

4407920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033 (or 5027 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4407920 is about 2099.5047034956. The cubic root of 4407920 is about 163.9625137404.

The spelling of 4407920 in words is "four million, four hundred seven thousand, nine hundred twenty".