4390344 has 96 divisors (see below), whose sum is σ = 14077440. Its totient is φ = 1209600.

The previous prime is 4390327. The next prime is 4390357. The reversal of 4390344 is 4430934.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15484 + ... + 15764.

It is an arithmetic number, because the mean of its divisors is an integer number (146640).

Almost surely, 2^4390344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4390344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7038720).

4390344 is an abundant number, since it is smaller than the sum of its proper divisors (9687096).

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

4390344 is a wasteful number, since it uses less digits than its factorization.

4390344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 4390344 is about 2095.3147734887. The cubic root of 4390344 is about 163.7442971423.

The spelling of 4390344 in words is "four million, three hundred ninety thousand, three hundred forty-four".