4399830 has 96 divisors (see below), whose sum is σ = 12579840. Its totient is φ = 1062720.

The previous prime is 4399819. The next prime is 4399847. The reversal of 4399830 is 389934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52969 + ... + 53051.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

Almost surely, 2^4399830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4399830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6289920).

4399830 is an abundant number, since it is smaller than the sum of its proper divisors (8180010).

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

4399830 is a wasteful number, since it uses less digits than its factorization.

4399830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 4399830 is about 2097.5771737888. The cubic root of 4399830 is about 163.8621437200.

The spelling of 4399830 in words is "four million, three hundred ninety-nine thousand, eight hundred thirty".