2316857 has 4 divisors (see below), whose sum is σ = 2322000. Its totient is φ = 2311716.

The previous prime is 2316823. The next prime is 2316863. The reversal of 2316857 is 7586132.

It is a happy number.

2316857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2316857 - 2¹⁸ = 2054713 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2316817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1823 + ... + 2820.

It is an arithmetic number, because the mean of its divisors is an integer number (580500).

2^2316857 is an apocalyptic number.

It is an amenable number.

2316857 is a deficient number, since it is larger than the sum of its proper divisors (5143).

2316857 is an equidigital number, since it uses as much as digits as its factorization.

2316857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142.

The product of its digits is 10080, while the sum is 32.

The square root of 2316857 is about 1522.1225312044. The cubic root of 2316857 is about 132.3223107660.

The spelling of 2316857 in words is "two million, three hundred sixteen thousand, eight hundred fifty-seven".