189876 has 12 divisors (see below), whose sum is σ = 443072. Its totient is φ = 63288.

The previous prime is 189859. The next prime is 189877. The reversal of 189876 is 678981.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189877) by changing a digit.

189876 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7900 + ... + 7923.

2¹⁸⁹⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

189876 is an abundant number, since it is smaller than the sum of its proper divisors (253196).

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

189876 is a wasteful number, since it uses less digits than its factorization.

189876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15830 (or 15828 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 189876 is about 435.7476333843. The cubic root of 189876 is about 57.4764616952.

The spelling of 189876 in words is "one hundred eighty-nine thousand, eight hundred seventy-six".