2310389 has 2 divisors, whose sum is σ = 2310390. Its totient is φ = 2310388.

The previous prime is 2310367. The next prime is 2310421. The reversal of 2310389 is 9830132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2007889 + 302500 = 1417^2 + 550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2310389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2310349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155194 + 1155195.

It is an arithmetic number, because the mean of its divisors is an integer number (1155195).

2^2310389 is an apocalyptic number.

It is an amenable number.

2310389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2310389 is an equidigital number, since it uses as much as digits as its factorization.

2310389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2310389 is about 1519.9963815746. The cubic root of 2310389 is about 132.1990606931.

The spelling of 2310389 in words is "two million, three hundred ten thousand, three hundred eighty-nine".