4396665 has 32 divisors (see below), whose sum is σ = 8660736. Its totient is φ = 1854720.

The previous prime is 4396643. The next prime is 4396669. The reversal of 4396665 is 5666934.

It is a happy number.

It is not a de Polignac number, because 4396665 - 2⁵ = 4396633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

4396665 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4396669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246 + ... + 2975.

It is an arithmetic number, because the mean of its divisors is an integer number (270648).

Almost surely, 2^4396665 is an apocalyptic number.

It is an amenable number.

4396665 is a deficient number, since it is larger than the sum of its proper divisors (4264071).

4396665 is a wasteful number, since it uses less digits than its factorization.

4396665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249.

The product of its digits is 116640, while the sum is 39.

The square root of 4396665 is about 2096.8225962155. The cubic root of 4396665 is about 163.8228431037.

The spelling of 4396665 in words is "four million, three hundred ninety-six thousand, six hundred sixty-five".