4400489 has 8 divisors (see below), whose sum is σ = 4664520. Its totient is φ = 4144000.

The previous prime is 4400483. The next prime is 4400497. The reversal of 4400489 is 9840044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24025 + 4376464 = 155^2 + 2092^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4400489 - 2¹² = 4396393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4400483) 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, 662 + ... + 3039.

It is an arithmetic number, because the mean of its divisors is an integer number (583065).

Almost surely, 2^4400489 is an apocalyptic number.

It is an amenable number.

4400489 is a deficient number, since it is larger than the sum of its proper divisors (264031).

4400489 is a wasteful number, since it uses less digits than its factorization.

4400489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4400489 is about 2097.7342539035. The cubic root of 4400489 is about 163.8703243210.

The spelling of 4400489 in words is "four million, four hundred thousand, four hundred eighty-nine".