4390338 has 16 divisors (see below), whose sum is σ = 8827200. Its totient is φ = 1455696.

The previous prime is 4390327. The next prime is 4390357. The reversal of 4390338 is 8330934.

It is a happy number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645 + ... + 3032.

It is an arithmetic number, because the mean of its divisors is an integer number (551700).

Almost surely, 2^4390338 is an apocalyptic number.

4390338 is an abundant number, since it is smaller than the sum of its proper divisors (4436862).

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

4390338 is a wasteful number, since it uses less digits than its factorization.

4390338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 4390338 is about 2095.3133417224. The cubic root of 4390338 is about 163.7442225493.

The spelling of 4390338 in words is "four million, three hundred ninety thousand, three hundred thirty-eight".