2316861 has 12 divisors (see below), whose sum is σ = 3374592. Its totient is φ = 1531656.

The previous prime is 2316823. The next prime is 2316863. The reversal of 2316861 is 1686132.

It is not a de Polignac number, because 2316861 - 2¹⁷ = 2185789 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2316863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (281216).

2^2316861 is an apocalyptic number.

It is an amenable number.

2316861 is a deficient number, since it is larger than the sum of its proper divisors (1057731).

2316861 is a wasteful number, since it uses less digits than its factorization.

2316861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160 (or 2157 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2316861 is about 1522.1238451585. The cubic root of 2316861 is about 132.3223869165.

The spelling of 2316861 in words is "two million, three hundred sixteen thousand, eight hundred sixty-one".