4399398 has 12 divisors (see below), whose sum is σ = 9532068. Its totient is φ = 1466460.

The previous prime is 4399397. The next prime is 4399399. The reversal of 4399398 is 8939934.

It is an interprime number because it is at equal distance from previous prime (4399397) and next prime (4399399).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 122188 + ... + 122223.

It is an arithmetic number, because the mean of its divisors is an integer number (794339).

Almost surely, 2^4399398 is an apocalyptic number.

4399398 is an abundant number, since it is smaller than the sum of its proper divisors (5132670).

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

4399398 is a wasteful number, since it uses less digits than its factorization.

4399398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244419 (or 244416 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 4399398 is about 2097.4741953121. The cubic root of 4399398 is about 163.8567805762.

The spelling of 4399398 in words is "four million, three hundred ninety-nine thousand, three hundred ninety-eight".