2328861 has 4 divisors (see below), whose sum is σ = 3105152. Its totient is φ = 1552572.

The previous prime is 2328857. The next prime is 2328869. The reversal of 2328861 is 1688232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2328861 - 2² = 2328857 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2328869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388141 + ... + 388146.

It is an arithmetic number, because the mean of its divisors is an integer number (776288).

2^2328861 is an apocalyptic number.

It is an amenable number.

2328861 is a deficient number, since it is larger than the sum of its proper divisors (776291).

2328861 is an equidigital number, since it uses as much as digits as its factorization.

2328861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776290.

The product of its digits is 4608, while the sum is 30.

The square root of 2328861 is about 1526.0606147857. The cubic root of 2328861 is about 132.5504447773.

The spelling of 2328861 in words is "two million, three hundred twenty-eight thousand, eight hundred sixty-one".