2349869 has 2 divisors, whose sum is σ = 2349870. Its totient is φ = 2349868.

The previous prime is 2349829. The next prime is 2349871. The reversal of 2349869 is 9689432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1408969 + 940900 = 1187^2 + 970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2349869 is a prime.

It is a super-2 number, since 2×2349869² = 11043768634322, which contains 22 as substring.

Together with 2349871, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 3⁷ + 4³ + 9⁵ + 8⁷ + 6⁴ + 9⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2349829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1174934 + 1174935.

It is an arithmetic number, because the mean of its divisors is an integer number (1174935).

2^2349869 is an apocalyptic number.

It is an amenable number.

2349869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2349869 is an equidigital number, since it uses as much as digits as its factorization.

2349869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 2349869 is about 1532.9282435913. The cubic root of 2349869 is about 132.9478190537.

The spelling of 2349869 in words is "two million, three hundred forty-nine thousand, eight hundred sixty-nine".