2239930 has 32 divisors (see below), whose sum is σ = 5028480. Its totient is φ = 697920.

The previous prime is 2239889. The next prime is 2239933. The reversal of 2239930 is 399322.

It is a happy number.

2239930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2239933) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 685 + ... + 2224.

It is an arithmetic number, because the mean of its divisors is an integer number (157140).

2^2239930 is an apocalyptic number.

2239930 is an abundant number, since it is smaller than the sum of its proper divisors (2788550).

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

2239930 is a wasteful number, since it uses less digits than its factorization.

2239930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934.

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

The square root of 2239930 is about 1496.6395691682. The cubic root of 2239930 is about 130.8412894491.

It can be divided in two parts, 223 and 9930, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 2239930 in words is "two million, two hundred thirty-nine thousand, nine hundred thirty".