4400465 has 8 divisors (see below), whose sum is σ = 5292648. Its totient is φ = 3512320.

The previous prime is 4400443. The next prime is 4400477. The reversal of 4400465 is 5640044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2676496 + 1723969 = 1636^2 + 1313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4400465 - 2⁶ = 4400401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4400465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519 + ... + 3891.

It is an arithmetic number, because the mean of its divisors is an integer number (661581).

Almost surely, 2^4400465 is an apocalyptic number.

It is an amenable number.

4400465 is a deficient number, since it is larger than the sum of its proper divisors (892183).

4400465 is a wasteful number, since it uses less digits than its factorization.

4400465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4400465 is about 2097.7285334380. The cubic root of 4400465 is about 163.8700264076.

The spelling of 4400465 in words is "four million, four hundred thousand, four hundred sixty-five".