2399289 has 8 divisors (see below), whose sum is σ = 3218880. Its totient is φ = 1589616.

The previous prime is 2399273. The next prime is 2399297. The reversal of 2399289 is 9829932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2399289 - 2⁴ = 2399273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2399289.

It is not an unprimeable number, because it can be changed into a prime (2399249) 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, 1894 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (402360).

2^2399289 is an apocalyptic number.

It is an amenable number.

2399289 is a deficient number, since it is larger than the sum of its proper divisors (819591).

2399289 is a wasteful number, since it uses less digits than its factorization.

2399289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959.

The product of its digits is 69984, while the sum is 42.

The square root of 2399289 is about 1548.9638472217. The cubic root of 2399289 is about 133.8733674099.

The spelling of 2399289 in words is "two million, three hundred ninety-nine thousand, two hundred eighty-nine".