2399672 has 48 divisors (see below), whose sum is σ = 5155080. Its totient is φ = 1045440.

The previous prime is 2399671. The next prime is 2399687. The reversal of 2399672 is 2769932.

2399672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399671) 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 11 ways as a sum of consecutive naturals, for example, 35783 + ... + 35849.

2^2399672 is an apocalyptic number.

2399672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2399672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2577540).

2399672 is an abundant number, since it is smaller than the sum of its proper divisors (2755408).

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

2399672 is a wasteful number, since it uses less digits than its factorization.

2399672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 117 counting only the distinct ones).

The product of its digits is 40824, while the sum is 38.

The square root of 2399672 is about 1549.0874733210. The cubic root of 2399672 is about 133.8804904606.

The spelling of 2399672 in words is "two million, three hundred ninety-nine thousand, six hundred seventy-two".