2345869 has 2 divisors, whose sum is σ = 2345870. Its totient is φ = 2345868.

The previous prime is 2345867. The next prime is 2345887. The reversal of 2345869 is 9685432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2064969 + 280900 = 1437^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 2345869 - 2¹ = 2345867 is a prime.

It is a super-2 number, since 2×2345869² = 11006202730322, which contains 22 as substring.

Together with 2345867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2345867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172934 + 1172935.

It is an arithmetic number, because the mean of its divisors is an integer number (1172935).

2^2345869 is an apocalyptic number.

It is an amenable number.

2345869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345869 is an equidigital number, since it uses as much as digits as its factorization.

2345869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 2345869 is about 1531.6229953876. The cubic root of 2345869 is about 132.8723406187.

The spelling of 2345869 in words is "two million, three hundred forty-five thousand, eight hundred sixty-nine".