14789869 has 2 divisors, whose sum is σ = 14789870. Its totient is φ = 14789868.

The previous prime is 14789857. The next prime is 14789903. The reversal of 14789869 is 96898741.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7767369 + 7022500 = 2787^2 + 2650^2 .

It is a cyclic number.

It is not a de Polignac number, because 14789869 - 2²¹ = 12692717 is a prime.

It is a super-2 number, since 2×14789869² = 437480450074322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14789839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7394934 + 7394935.

It is an arithmetic number, because the mean of its divisors is an integer number (7394935).

Almost surely, 2^14789869 is an apocalyptic number.

It is an amenable number.

14789869 is a deficient number, since it is larger than the sum of its proper divisors (1).

14789869 is an equidigital number, since it uses as much as digits as its factorization.

14789869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 52.

The square root of 14789869 is about 3845.7598728990. The cubic root of 14789869 is about 245.4641707120.

The spelling of 14789869 in words is "fourteen million, seven hundred eighty-nine thousand, eight hundred sixty-nine".