189679357 has 8 divisors (see below), whose sum is σ = 221389056. Its totient is φ = 159122832.

The previous prime is 189679349. The next prime is 189679379. The reversal of 189679357 is 753976981.

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 189679357 - 2³ = 189679349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189679298 and 189679307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189679327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287938 + ... + 288595.

It is an arithmetic number, because the mean of its divisors is an integer number (27673632).

Almost surely, 2^189679357 is an apocalyptic number.

It is an amenable number.

189679357 is a deficient number, since it is larger than the sum of its proper divisors (31709699).

189679357 is an equidigital number, since it uses as much as digits as its factorization.

189679357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576587.

The product of its digits is 2857680, while the sum is 55.

The square root of 189679357 is about 13772.4128968021. The cubic root of 189679357 is about 574.5661321895.

It can be divided in two parts, 189679 and 357, that added together give a triangular number (190036 = T₆₁₆).

The spelling of 189679357 in words is "one hundred eighty-nine million, six hundred seventy-nine thousand, three hundred fifty-seven".