2398489 has 4 divisors (see below), whose sum is σ = 2413924. Its totient is φ = 2383056.

The previous prime is 2398483. The next prime is 2398493. The reversal of 2398489 is 9848932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 416025 + 1982464 = 645^2 + 1408^2 .

It is a cyclic number.

It is not a de Polignac number, because 2398489 - 2³ = 2398481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398481) 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, 7482 + ... + 7795.

It is an arithmetic number, because the mean of its divisors is an integer number (603481).

2^2398489 is an apocalyptic number.

It is an amenable number.

2398489 is a deficient number, since it is larger than the sum of its proper divisors (15435).

2398489 is a wasteful number, since it uses less digits than its factorization.

2398489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15434.

The product of its digits is 124416, while the sum is 43.

The square root of 2398489 is about 1548.7055885481. The cubic root of 2398489 is about 133.8584865292.

The spelling of 2398489 in words is "two million, three hundred ninety-eight thousand, four hundred eighty-nine".