2306645939 has 4 divisors (see below), whose sum is σ = 2484080256. Its totient is φ = 2129211624.

The previous prime is 2306645927. The next prime is 2306645977. The reversal of 2306645939 is 9395466032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2306645939 - 2¹⁶ = 2306580403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2306645893 and 2306645902.

It is not an unprimeable number, because it can be changed into a prime (2306645339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88717139 + ... + 88717164.

It is an arithmetic number, because the mean of its divisors is an integer number (621020064).

Almost surely, 2^2306645939 is an apocalyptic number.

2306645939 is a deficient number, since it is larger than the sum of its proper divisors (177434317).

2306645939 is a wasteful number, since it uses less digits than its factorization.

2306645939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177434316.

The product of its (nonzero) digits is 1049760, while the sum is 47.

The square root of 2306645939 is about 48027.5539560365. The cubic root of 2306645939 is about 1321.2763020911.

The spelling of 2306645939 in words is "two billion, three hundred six million, six hundred forty-five thousand, nine hundred thirty-nine".