2398599 has 40 divisors (see below), whose sum is σ = 4257520. Its totient is φ = 1333584.

The previous prime is 2398597. The next prime is 2398603. The reversal of 2398599 is 9958932.

It is not a de Polignac number, because 2398599 - 2¹ = 2398597 is a prime.

It is a d-powerful number, because it can be written as 2¹⁸ + 3¹³ + 9 + 8⁴ + 5² + 9⁴ + 9⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398597) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64809 + ... + 64845.

It is an arithmetic number, because the mean of its divisors is an integer number (106438).

2^2398599 is an apocalyptic number.

2398599 is a deficient number, since it is larger than the sum of its proper divisors (1858921).

2398599 is an frugal number, since it uses more digits than its factorization.

2398599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 47 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 2398599 is about 1548.7411016694. The cubic root of 2398599 is about 133.8605328465.

The spelling of 2398599 in words is "two million, three hundred ninety-eight thousand, five hundred ninety-nine".