2306865 has 48 divisors (see below), whose sum is σ = 4290048. Its totient is φ = 1056000.

The previous prime is 2306851. The next prime is 2306867. The reversal of 2306865 is 5686032.

2306865 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 2306865 - 2⁷ = 2306737 is a prime.

It is a super-2 number, since 2×2306865² = 10643252256450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2306867) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56245 + ... + 56285.

It is an arithmetic number, because the mean of its divisors is an integer number (89376).

2^2306865 is an apocalyptic number.

It is an amenable number.

2306865 is a deficient number, since it is larger than the sum of its proper divisors (1983183).

2306865 is a wasteful number, since it uses less digits than its factorization.

2306865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2306865 is about 1518.8367259189. The cubic root of 2306865 is about 132.1318127748.

The spelling of 2306865 in words is "two million, three hundred six thousand, eight hundred sixty-five".