2389872 has 20 divisors (see below), whose sum is σ = 6173960. Its totient is φ = 796608.

The previous prime is 2389859. The next prime is 2389873. The reversal of 2389872 is 2789832.

2389872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2389872² = 11422976352768, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2389872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389873) 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 3 ways as a sum of consecutive naturals, for example, 24847 + ... + 24942.

It is an arithmetic number, because the mean of its divisors is an integer number (308698).

2^2389872 is an apocalyptic number.

It is an amenable number.

2389872 is an abundant number, since it is smaller than the sum of its proper divisors (3784088).

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

2389872 is a wasteful number, since it uses less digits than its factorization.

2389872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49800 (or 49794 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 2389872 is about 1545.9210846612. The cubic root of 2389872 is about 133.6979906674.

The spelling of 2389872 in words is "two million, three hundred eighty-nine thousand, eight hundred seventy-two".