13849489 has 2 divisors, whose sum is σ = 13849490. Its totient is φ = 13849488.

The previous prime is 13849481. The next prime is 13849523. The reversal of 13849489 is 98494831.

13849489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11614464 + 2235025 = 3408^2 + 1495^2 .

It is an emirp because it is prime and its reverse (98494831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13849489 - 2³ = 13849481 is a prime.

It is a super-2 number, since 2×13849489² = 383616691122242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13849481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6924744 + 6924745.

It is an arithmetic number, because the mean of its divisors is an integer number (6924745).

Almost surely, 2^13849489 is an apocalyptic number.

It is an amenable number.

13849489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13849489 is an equidigital number, since it uses as much as digits as its factorization.

13849489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 13849489 is about 3721.4901585252. The cubic root of 13849489 is about 240.1474152216.

The spelling of 13849489 in words is "thirteen million, eight hundred forty-nine thousand, four hundred eighty-nine".