2399772 has 24 divisors (see below), whose sum is σ = 5780992. Its totient is φ = 774000.

The previous prime is 2399759. The next prime is 2399791. The reversal of 2399772 is 2779932.

2399772 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2399772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854 + ... + 3597.

2^2399772 is an apocalyptic number.

It is an amenable number.

2399772 is an abundant number, since it is smaller than the sum of its proper divisors (3381220).

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

2399772 is a wasteful number, since it uses less digits than its factorization.

2399772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489 (or 6487 counting only the distinct ones).

The product of its digits is 47628, while the sum is 39.

The square root of 2399772 is about 1549.1197500516. The cubic root of 2399772 is about 133.8823501402.

It can be divided in two parts, 239 and 9772, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 2399772 in words is "two million, three hundred ninety-nine thousand, seven hundred seventy-two".