2399388 has 24 divisors (see below), whose sum is σ = 5671680. Its totient is φ = 789360.

The previous prime is 2399387. The next prime is 2399389. The reversal of 2399388 is 8839932.

It is an interprime number because it is at equal distance from previous prime (2399387) and next prime (2399389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (236320).

2^2399388 is an apocalyptic number.

It is an amenable number.

2399388 is an abundant number, since it is smaller than the sum of its proper divisors (3272292).

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

2399388 is a wasteful number, since it uses less digits than its factorization.

2399388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617 (or 2615 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 2399388 is about 1548.9958037387. The cubic root of 2399388 is about 133.8752086888.

The spelling of 2399388 in words is "two million, three hundred ninety-nine thousand, three hundred eighty-eight".