2399598 has 32 divisors (see below), whose sum is σ = 5481120. Its totient is φ = 777600.

The previous prime is 2399597. The next prime is 2399599. The reversal of 2399598 is 8959932.

It is an interprime number because it is at equal distance from previous prime (2399597) and next prime (2399599).

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399597) 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, 1398 + ... + 2598.

It is an arithmetic number, because the mean of its divisors is an integer number (171285).

2^2399598 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2399598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2740560).

2399598 is an abundant number, since it is smaller than the sum of its proper divisors (3081522).

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

2399598 is a wasteful number, since it uses less digits than its factorization.

2399598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1243 counting only the distinct ones).

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

The square root of 2399598 is about 1549.0635881073. The cubic root of 2399598 is about 133.8791142644.

It can be divided in two parts, 239 and 9598, that multiplied together give a palindrome (2293922).

The spelling of 2399598 in words is "two million, three hundred ninety-nine thousand, five hundred ninety-eight".