2239872 has 64 divisors (see below), whose sum is σ = 6283200. Its totient is φ = 705024.

The previous prime is 2239847. The next prime is 2239883. The reversal of 2239872 is 2789322.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7143 + ... + 7449.

It is an arithmetic number, because the mean of its divisors is an integer number (98175).

2^2239872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2239872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3141600).

2239872 is an abundant number, since it is smaller than the sum of its proper divisors (4043328).

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

2239872 is a wasteful number, since it uses less digits than its factorization.

2239872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 331 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 2239872 is about 1496.6201923000. The cubic root of 2239872 is about 130.8401601191.

The spelling of 2239872 in words is "two million, two hundred thirty-nine thousand, eight hundred seventy-two".