4399326 has 32 divisors (see below), whose sum is σ = 9845280. Its totient is φ = 1456128.

The previous prime is 4399313. The next prime is 4399327. The reversal of 4399326 is 6239934.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4399327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13720 + ... + 14036.

It is an arithmetic number, because the mean of its divisors is an integer number (307665).

Almost surely, 2^4399326 is an apocalyptic number.

4399326 is an abundant number, since it is smaller than the sum of its proper divisors (5445954).

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

4399326 is a wasteful number, since it uses less digits than its factorization.

4399326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 579 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 4399326 is about 2097.4570317411. The cubic root of 4399326 is about 163.8558866847.

The spelling of 4399326 in words is "four million, three hundred ninety-nine thousand, three hundred twenty-six".