2396181 has 4 divisors (see below), whose sum is σ = 3194912. Its totient is φ = 1597452.

The previous prime is 2396171. The next prime is 2396189. The reversal of 2396181 is 1816932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2396181 - 2¹⁰ = 2395157 is a prime.

It is a super-2 number, since 2×2396181² = 11483366769522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2396189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399361 + ... + 399366.

It is an arithmetic number, because the mean of its divisors is an integer number (798728).

2^2396181 is an apocalyptic number.

It is an amenable number.

2396181 is a deficient number, since it is larger than the sum of its proper divisors (798731).

2396181 is an equidigital number, since it uses as much as digits as its factorization.

2396181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798730.

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

The square root of 2396181 is about 1547.9602708080. The cubic root of 2396181 is about 133.8155366364.

It can be divided in two parts, 23961 and 81, that added together give a palindrome (24042).

The spelling of 2396181 in words is "two million, three hundred ninety-six thousand, one hundred eighty-one".