2239985 has 16 divisors (see below), whose sum is σ = 2963520. Its totient is φ = 1611840.

The previous prime is 2239961. The next prime is 2239987. The reversal of 2239985 is 5899322.

2239985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2239985 - 2¹⁰ = 2238961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239987) 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, 7499 + ... + 7791.

It is an arithmetic number, because the mean of its divisors is an integer number (185220).

2^2239985 is an apocalyptic number.

It is an amenable number.

2239985 is a deficient number, since it is larger than the sum of its proper divisors (723535).

2239985 is a wasteful number, since it uses less digits than its factorization.

2239985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448.

The product of its digits is 38880, while the sum is 38.

The square root of 2239985 is about 1496.6579435529. The cubic root of 2239985 is about 130.8423603474.

The spelling of 2239985 in words is "two million, two hundred thirty-nine thousand, nine hundred eighty-five".