13874489 has 2 divisors, whose sum is σ = 13874490. Its totient is φ = 13874488.

The previous prime is 13874473. The next prime is 13874491. The reversal of 13874489 is 98447831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12482089 + 1392400 = 3533^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 13874489 - 2⁴ = 13874473 is a prime.

It is a super-2 number, since 2×13874489² = 385002890022242, which contains 22 as substring.

Together with 13874491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13874459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6937244 + 6937245.

It is an arithmetic number, because the mean of its divisors is an integer number (6937245).

Almost surely, 2^13874489 is an apocalyptic number.

It is an amenable number.

13874489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13874489 is an equidigital number, since it uses as much as digits as its factorization.

13874489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 13874489 is about 3724.8475136574. The cubic root of 13874489 is about 240.2918267240.

The spelling of 13874489 in words is "thirteen million, eight hundred seventy-four thousand, four hundred eighty-nine".