189677 has 8 divisors (see below), whose sum is σ = 204000. Its totient is φ = 175824.

The previous prime is 189671. The next prime is 189691. The reversal of 189677 is 776981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189677 - 2⁴ = 189661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199 + ... + 1347.

It is an arithmetic number, because the mean of its divisors is an integer number (25500).

2¹⁸⁹⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

189677 is a deficient number, since it is larger than the sum of its proper divisors (14323).

189677 is a wasteful number, since it uses less digits than its factorization.

189677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235.

The product of its digits is 21168, while the sum is 38.

The square root of 189677 is about 435.5192303447. The cubic root of 189677 is about 57.4563752282.

The spelling of 189677 in words is "one hundred eighty-nine thousand, six hundred seventy-seven".