2239390 has 8 divisors (see below), whose sum is σ = 4030920. Its totient is φ = 895752.

The previous prime is 2239387. The next prime is 2239417. The reversal of 2239390 is 939322.

It is a happy number.

2239390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111960 + ... + 111979.

It is an arithmetic number, because the mean of its divisors is an integer number (503865).

2^2239390 is an apocalyptic number.

2239390 is a deficient number, since it is larger than the sum of its proper divisors (1791530).

2239390 is a wasteful number, since it uses less digits than its factorization.

2239390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223946.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 2239390 is about 1496.4591541369. The cubic root of 2239390 is about 130.8307742432.

The spelling of 2239390 in words is "two million, two hundred thirty-nine thousand, three hundred ninety".