2398605 has 16 divisors (see below), whose sum is σ = 4186944. Its totient is φ = 1162880.

The previous prime is 2398603. The next prime is 2398607. The reversal of 2398605 is 5068932.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2398603) and next prime (2398607).

It is not a de Polignac number, because 2398605 - 2¹ = 2398603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

2398605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398603) 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, 7104 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (261684).

2^2398605 is an apocalyptic number.

It is an amenable number.

2398605 is a deficient number, since it is larger than the sum of its proper divisors (1788339).

2398605 is a wasteful number, since it uses less digits than its factorization.

2398605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14556.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2398605 is about 1548.7430387253. The cubic root of 2398605 is about 133.8606444620.

It can be divided in two parts, 2398 and 605, that added together give a palindrome (3003).

The spelling of 2398605 in words is "two million, three hundred ninety-eight thousand, six hundred five".