186828214 has 4 divisors (see below), whose sum is σ = 280242324. Its totient is φ = 93414106.

The previous prime is 186828209. The next prime is 186828221. The reversal of 186828214 is 412828681.

186828214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412828681 = 43 ⋅9600667.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46707052 + ... + 46707055.

It is an arithmetic number, because the mean of its divisors is an integer number (70060581).

Almost surely, 2^186828214 is an apocalyptic number.

186828214 is a deficient number, since it is larger than the sum of its proper divisors (93414110).

186828214 is an equidigital number, since it uses as much as digits as its factorization.

186828214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93414109.

The product of its digits is 49152, while the sum is 40.

The square root of 186828214 is about 13668.5117697575. The cubic root of 186828214 is about 571.6727450595.

It can be divided in two parts, 18682 and 8214, that added together give a square (26896 = 164²).

The spelling of 186828214 in words is "one hundred eighty-six million, eight hundred twenty-eight thousand, two hundred fourteen".