4004465 has 8 divisors (see below), whose sum is σ = 4971240. Its totient is φ = 3092992.

The previous prime is 4004453. The next prime is 4004489. The reversal of 4004465 is 5644004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8464 + 3996001 = 92^2 + 1999^2 .

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 4004465 - 2⁴ = 4004449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4004465.

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, 13664 + ... + 13953.

It is an arithmetic number, because the mean of its divisors is an integer number (621405).

Almost surely, 2^4004465 is an apocalyptic number.

It is an amenable number.

4004465 is a deficient number, since it is larger than the sum of its proper divisors (966775).

4004465 is a wasteful number, since it uses less digits than its factorization.

4004465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27651.

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

The square root of 4004465 is about 2001.1159386702. The cubic root of 4004465 is about 158.7991477810.

Adding to 4004465 its reverse (5644004), we get a palindrome (9648469).

The spelling of 4004465 in words is "four million, four thousand, four hundred sixty-five".