13894489 has 12 divisors (see below), whose sum is σ = 16245684. Its totient is φ = 11848704.

The previous prime is 13894483. The next prime is 13894493. The reversal of 13894489 is 98449831.

It can be written as a sum of positive squares in 2 ways, for example, as 3705625 + 10188864 = 1925^2 + 3192^2 .

It is not a de Polignac number, because 13894489 - 2³ = 13894481 is a prime.

It is a super-2 number, since 2×13894489² = 386113649142242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13894481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10809 + ... + 12025.

It is an arithmetic number, because the mean of its divisors is an integer number (1353807).

Almost surely, 2^13894489 is an apocalyptic number.

It is an amenable number.

13894489 is a deficient number, since it is larger than the sum of its proper divisors (2351195).

13894489 is a wasteful number, since it uses less digits than its factorization.

13894489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464 (or 1457 counting only the distinct ones).

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

The square root of 13894489 is about 3727.5312205265. The cubic root of 13894489 is about 240.4072310748.

The spelling of 13894489 in words is "thirteen million, eight hundred ninety-four thousand, four hundred eighty-nine".