2302891 has 4 divisors (see below), whose sum is σ = 2321152. Its totient is φ = 2284632.

The previous prime is 2302889. The next prime is 2302907. The reversal of 2302891 is 1982032.

2302891 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 is a cyclic number.

It is not a de Polignac number, because 2302891 - 2¹ = 2302889 is a prime.

It is a Duffinian number.

2302891 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302841) 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, 8940 + ... + 9193.

It is an arithmetic number, because the mean of its divisors is an integer number (580288).

2^2302891 is an apocalyptic number.

2302891 is a deficient number, since it is larger than the sum of its proper divisors (18261).

2302891 is a wasteful number, since it uses less digits than its factorization.

2302891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18260.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2302891 is about 1517.5279239605. The cubic root of 2302891 is about 132.0558953667.

The spelling of 2302891 in words is "two million, three hundred two thousand, eight hundred ninety-one".