2306889 has 12 divisors (see below), whose sum is σ = 3588676. Its totient is φ = 1419552.

The previous prime is 2306881. The next prime is 2306893. The reversal of 2306889 is 9886032.

It can be written as a sum of positive squares in 2 ways, for example, as 233289 + 2073600 = 483^2 + 1440^2 .

It is not a de Polignac number, because 2306889 - 2³ = 2306881 is a prime.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2306881) 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, 9742 + ... + 9975.

2^2306889 is an apocalyptic number.

It is an amenable number.

2306889 is a deficient number, since it is larger than the sum of its proper divisors (1281787).

2306889 is a wasteful number, since it uses less digits than its factorization.

2306889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19736 (or 19733 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2306889 is about 1518.8446266817. The cubic root of 2306889 is about 132.1322709945.

The spelling of 2306889 in words is "two million, three hundred six thousand, eight hundred eighty-nine".