2399916 has 24 divisors (see below), whose sum is σ = 5731264. Its totient is φ = 781200.

The previous prime is 2399911. The next prime is 2399921. The reversal of 2399916 is 6199932.

It is a happy number.

2399916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2399911) and next prime (2399921).

It is not an unprimeable number, because it can be changed into a prime (2399911) 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 7 ways as a sum of consecutive naturals, for example, 1810 + ... + 2841.

2^2399916 is an apocalyptic number.

It is an amenable number.

2399916 is an abundant number, since it is smaller than the sum of its proper divisors (3331348).

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

2399916 is a wasteful number, since it uses less digits than its factorization.

2399916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701 (or 4699 counting only the distinct ones).

The product of its digits is 26244, while the sum is 39.

The square root of 2399916 is about 1549.1662273623. The cubic root of 2399916 is about 133.8850279880.

The spelling of 2399916 in words is "two million, three hundred ninety-nine thousand, nine hundred sixteen".