2389985 has 16 divisors (see below), whose sum is σ = 3132864. Its totient is φ = 1739712.

The previous prime is 2389973. The next prime is 2389993. The reversal of 2389985 is 5899832.

It is not a de Polignac number, because 2389985 - 2⁴ = 2389969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5174 + ... + 5616.

It is an arithmetic number, because the mean of its divisors is an integer number (195804).

2^2389985 is an apocalyptic number.

It is an amenable number.

2389985 is a deficient number, since it is larger than the sum of its proper divisors (742879).

2389985 is a wasteful number, since it uses less digits than its factorization.

2389985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its digits is 155520, while the sum is 44.

The square root of 2389985 is about 1545.9576320197. The cubic root of 2389985 is about 133.7000978423.

The spelling of 2389985 in words is "two million, three hundred eighty-nine thousand, nine hundred eighty-five".