2340181 has 4 divisors (see below), whose sum is σ = 2441952. Its totient is φ = 2238412.

The previous prime is 2340179. The next prime is 2340187. The reversal of 2340181 is 1810432.

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 a cyclic number.

It is not a de Polignac number, because 2340181 - 2¹ = 2340179 is a prime.

It is a super-2 number, since 2×2340181² = 10952894225522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340187) 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, 50851 + ... + 50896.

It is an arithmetic number, because the mean of its divisors is an integer number (610488).

2^2340181 is an apocalyptic number.

It is an amenable number.

2340181 is a deficient number, since it is larger than the sum of its proper divisors (101771).

2340181 is a wasteful number, since it uses less digits than its factorization.

2340181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101770.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2340181 is about 1529.7650146346. The cubic root of 2340181 is about 132.7648623893.

It can be divided in two parts, 23 and 40181, that added together give a palindrome (40204).

The spelling of 2340181 in words is "two million, three hundred forty thousand, one hundred eighty-one".