2398166 has 4 divisors (see below), whose sum is σ = 3597252. Its totient is φ = 1199082.

The previous prime is 2398159. The next prime is 2398169. The reversal of 2398166 is 6618932.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599540 + ... + 599543.

It is an arithmetic number, because the mean of its divisors is an integer number (899313).

2^2398166 is an apocalyptic number.

2398166 is a deficient number, since it is larger than the sum of its proper divisors (1199086).

2398166 is a wasteful number, since it uses less digits than its factorization.

2398166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199085.

The product of its digits is 15552, while the sum is 35.

The square root of 2398166 is about 1548.6013044034. The cubic root of 2398166 is about 133.8524774360.

It can be divided in two parts, 23 and 98166, that added together give a palindrome (98189).

The spelling of 2398166 in words is "two million, three hundred ninety-eight thousand, one hundred sixty-six".