2398161 has 8 divisors (see below), whose sum is σ = 3365920. Its totient is φ = 1514592.

The previous prime is 2398159. The next prime is 2398169. The reversal of 2398161 is 1618932.

2398161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2398161 - 2¹ = 2398159 is a prime.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20980 + ... + 21093.

It is an arithmetic number, because the mean of its divisors is an integer number (420740).

2^2398161 is an apocalyptic number.

It is an amenable number.

2398161 is a deficient number, since it is larger than the sum of its proper divisors (967759).

2398161 is a wasteful number, since it uses less digits than its factorization.

2398161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42095.

The product of its digits is 2592, while the sum is 30.

The square root of 2398161 is about 1548.5996900426. The cubic root of 2398161 is about 133.8523844117.

It can be divided in two parts, 23981 and 61, that added together give a palindrome (24042).

The spelling of 2398161 in words is "two million, three hundred ninety-eight thousand, one hundred sixty-one".