15894 has 12 divisors (see below), whose sum is σ = 34476. Its totient is φ = 5292.

The previous prime is 15889. The next prime is 15901. The reversal of 15894 is 49851.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 424 + ... + 459.

It is an arithmetic number, because the mean of its divisors is an integer number (2873).

2¹⁵⁸⁹⁴ is an apocalyptic number.

15894 is an abundant number, since it is smaller than the sum of its proper divisors (18582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15894 is a wasteful number, since it uses less digits than its factorization.

15894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 888 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 15894 is about 126.0714083367. The cubic root of 15894 is about 25.1426511445.

It can be divided in two parts, 158 and 94, that added together give a palindrome (252).

The spelling of 15894 in words is "fifteen thousand, eight hundred ninety-four".