2279872 has 42 divisors (see below), whose sum is σ = 5269992. Its totient is φ = 975744.

The previous prime is 2279869. The next prime is 2279897. The reversal of 2279872 is 2789722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2773 + ... + 3499.

It is an arithmetic number, because the mean of its divisors is an integer number (125476).

2^2279872 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 2279872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2634996).

2279872 is an abundant number, since it is smaller than the sum of its proper divisors (2990120).

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

2279872 is an equidigital number, since it uses as much as digits as its factorization.

2279872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 736 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 2279872 is about 1509.9245014238. The cubic root of 2279872 is about 131.6144242527.

The spelling of 2279872 in words is "two million, two hundred seventy-nine thousand, eight hundred seventy-two".