2363881 has 4 divisors (see below), whose sum is σ = 2545732. Its totient is φ = 2182032.

The previous prime is 2363873. The next prime is 2363891. The reversal of 2363881 is 1883632.

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 1537600 + 826281 = 1240^2 + 909^2 .

It is a cyclic number.

It is not a de Polignac number, because 2363881 - 2³ = 2363873 is a prime.

It is a super-2 number, since 2×2363881² = 11175866764322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2363831) 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, 90906 + ... + 90931.

It is an arithmetic number, because the mean of its divisors is an integer number (636433).

2^2363881 is an apocalyptic number.

It is an amenable number.

2363881 is a deficient number, since it is larger than the sum of its proper divisors (181851).

2363881 is a wasteful number, since it uses less digits than its factorization.

2363881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181850.

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

The square root of 2363881 is about 1537.4917885960. The cubic root of 2363881 is about 133.2115464324.

Subtracting from 2363881 its reverse (1883632), we obtain a square (480249 = 693²).

The spelling of 2363881 in words is "two million, three hundred sixty-three thousand, eight hundred eighty-one".