2398668 has 12 divisors (see below), whose sum is σ = 5596920. Its totient is φ = 799552.

The previous prime is 2398661. The next prime is 2398679. The reversal of 2398668 is 8668932.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 3⁹ + 9² + 8 + 6⁴ + 6⁷ + 8³ .

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2398661) 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, 99933 + ... + 99956.

It is an arithmetic number, because the mean of its divisors is an integer number (466410).

2^2398668 is an apocalyptic number.

It is an amenable number.

2398668 is an abundant number, since it is smaller than the sum of its proper divisors (3198252).

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

2398668 is a wasteful number, since it uses less digits than its factorization.

2398668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199896 (or 199894 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 2398668 is about 1548.7633776662. The cubic root of 2398668 is about 133.8618164136.

The spelling of 2398668 in words is "two million, three hundred ninety-eight thousand, six hundred sixty-eight".