4399392 has 24 divisors (see below), whose sum is σ = 11548656. Its totient is φ = 1466432.

The previous prime is 4399363. The next prime is 4399397. The reversal of 4399392 is 2939934.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4399392.

It is not an unprimeable number, because it can be changed into a prime (4399397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22818 + ... + 23009.

It is an arithmetic number, because the mean of its divisors is an integer number (481194).

Almost surely, 2^4399392 is an apocalyptic number.

It is an amenable number.

4399392 is an abundant number, since it is smaller than the sum of its proper divisors (7149264).

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

4399392 is a wasteful number, since it uses less digits than its factorization.

4399392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45840 (or 45832 counting only the distinct ones).

The product of its digits is 52488, while the sum is 39.

The square root of 4399392 is about 2097.4727650198. The cubic root of 4399392 is about 163.8567060856.

The spelling of 4399392 in words is "four million, three hundred ninety-nine thousand, three hundred ninety-two".