2368681 has 4 divisors (see below), whose sum is σ = 2707072. Its totient is φ = 2030292.

The previous prime is 2368649. The next prime is 2368727. The reversal of 2368681 is 1868632.

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 2368681 - 2⁵ = 2368649 is a prime.

It is a super-2 number, since 2×2368681² = 11221299359522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2368601) 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, 169185 + ... + 169198.

It is an arithmetic number, because the mean of its divisors is an integer number (676768).

2^2368681 is an apocalyptic number.

It is an amenable number.

2368681 is a deficient number, since it is larger than the sum of its proper divisors (338391).

2368681 is an equidigital number, since it uses as much as digits as its factorization.

2368681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338390.

The product of its digits is 13824, while the sum is 34.

The square root of 2368681 is about 1539.0519809285. The cubic root of 2368681 is about 133.3016501108.

The spelling of 2368681 in words is "two million, three hundred sixty-eight thousand, six hundred eighty-one".