2338681 has 4 divisors (see below), whose sum is σ = 2395764. Its totient is φ = 2281600.

The previous prime is 2338667. The next prime is 2338697. The reversal of 2338681 is 1868332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 434281 + 1904400 = 659^2 + 1380^2 .

It is a cyclic number.

It is not a de Polignac number, because 2338681 - 2⁹ = 2338169 is a prime.

It is a super-2 number, since 2×2338681² = 10938857639522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2338631) 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, 28480 + ... + 28561.

It is an arithmetic number, because the mean of its divisors is an integer number (598941).

2^2338681 is an apocalyptic number.

It is an amenable number.

2338681 is a deficient number, since it is larger than the sum of its proper divisors (57083).

2338681 is an equidigital number, since it uses as much as digits as its factorization.

2338681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57082.

The product of its digits is 6912, while the sum is 31.

The square root of 2338681 is about 1529.2746646695. The cubic root of 2338681 is about 132.7364899602.

The spelling of 2338681 in words is "two million, three hundred thirty-eight thousand, six hundred eighty-one".