189936854 has 8 divisors (see below), whose sum is σ = 285957408. Its totient is φ = 94617720.

The previous prime is 189936853. The next prime is 189936881. The reversal of 189936854 is 458639981.

189936854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 189936796 and 189936805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189936853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174677 + ... + 175760.

It is an arithmetic number, because the mean of its divisors is an integer number (35744676).

Almost surely, 2^189936854 is an apocalyptic number.

189936854 is a deficient number, since it is larger than the sum of its proper divisors (96020554).

189936854 is a wasteful number, since it uses less digits than its factorization.

189936854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350710.

The product of its digits is 1866240, while the sum is 53.

The square root of 189936854 is about 13781.7580155799. The cubic root of 189936854 is about 574.8260131439.

The spelling of 189936854 in words is "one hundred eighty-nine million, nine hundred thirty-six thousand, eight hundred fifty-four".