189886801 has 8 divisors (see below), whose sum is σ = 206406144. Its totient is φ = 173640720.

The previous prime is 189886793. The next prime is 189886843. The reversal of 189886801 is 108688981.

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 189886801 - 2³ = 189886793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189886861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66865 + ... + 69646.

It is an arithmetic number, because the mean of its divisors is an integer number (25800768).

Almost surely, 2^189886801 is an apocalyptic number.

It is an amenable number.

189886801 is a deficient number, since it is larger than the sum of its proper divisors (16519343).

189886801 is a wasteful number, since it uses less digits than its factorization.

189886801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136631.

The product of its (nonzero) digits is 221184, while the sum is 49.

The square root of 189886801 is about 13779.9419810099. The cubic root of 189886801 is about 574.7755151431.

The spelling of 189886801 in words is "one hundred eighty-nine million, eight hundred eighty-six thousand, eight hundred one".