2308961 has 4 divisors (see below), whose sum is σ = 2331924. Its totient is φ = 2286000.

The previous prime is 2308939. The next prime is 2308963. The reversal of 2308961 is 1698032.

2308961 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2193361 + 115600 = 1481^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2308961 - 2⁶ = 2308897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2308963) 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, 11330 + ... + 11531.

It is an arithmetic number, because the mean of its divisors is an integer number (582981).

2^2308961 is an apocalyptic number.

It is an amenable number.

2308961 is a deficient number, since it is larger than the sum of its proper divisors (22963).

2308961 is a wasteful number, since it uses less digits than its factorization.

2308961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22962.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2308961 is about 1519.5265710082. The cubic root of 2308961 is about 132.1718186477.

The spelling of 2308961 in words is "two million, three hundred eight thousand, nine hundred sixty-one".