2489399 has 16 divisors (see below), whose sum is σ = 2935680. Its totient is φ = 2086560.

The previous prime is 2489381. The next prime is 2489411. The reversal of 2489399 is 9939842.

It is a cyclic number.

It is not a de Polignac number, because 2489399 - 2⁸ = 2489143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8849 + ... + 9125.

It is an arithmetic number, because the mean of its divisors is an integer number (183480).

2^2489399 is an apocalyptic number.

2489399 is a deficient number, since it is larger than the sum of its proper divisors (446281).

2489399 is a wasteful number, since it uses less digits than its factorization.

2489399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350.

The product of its digits is 139968, while the sum is 44.

The square root of 2489399 is about 1577.7829381762. The cubic root of 2489399 is about 135.5287720930.

The spelling of 2489399 in words is "two million, four hundred eighty-nine thousand, three hundred ninety-nine".