14689861 has 2 divisors, whose sum is σ = 14689862. Its totient is φ = 14689860.

The previous prime is 14689841. The next prime is 14689901. The reversal of 14689861 is 16898641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7667361 + 7022500 = 2769^2 + 2650^2 .

It is a cyclic number.

It is not a de Polignac number, because 14689861 - 2²¹ = 12592709 is a prime.

It is a super-3 number, since 3×14689861³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14689841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7344930 + 7344931.

It is an arithmetic number, because the mean of its divisors is an integer number (7344931).

Almost surely, 2^14689861 is an apocalyptic number.

It is an amenable number.

14689861 is a deficient number, since it is larger than the sum of its proper divisors (1).

14689861 is an equidigital number, since it uses as much as digits as its factorization.

14689861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 43.

The square root of 14689861 is about 3832.7354461272. The cubic root of 14689861 is about 244.9096487612.

The spelling of 14689861 in words is "fourteen million, six hundred eighty-nine thousand, eight hundred sixty-one".