2399408 has 20 divisors (see below), whose sum is σ = 5071848. Its totient is φ = 1090560.

The previous prime is 2399407. The next prime is 2399461. The reversal of 2399408 is 8049932.

It is not an unprimeable number, because it can be changed into a prime (2399407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6641 + ... + 6992.

2^2399408 is an apocalyptic number.

It is an amenable number.

2399408 is an abundant number, since it is smaller than the sum of its proper divisors (2672440).

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

2399408 is a wasteful number, since it uses less digits than its factorization.

2399408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13652 (or 13646 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2399408 is about 1549.0022595206. The cubic root of 2399408 is about 133.8755806582.

The spelling of 2399408 in words is "two million, three hundred ninety-nine thousand, four hundred eight".