186324149 has 6 divisors (see below), whose sum is σ = 204802710. Its totient is φ = 169385480.

The previous prime is 186324139. The next prime is 186324157. The reversal of 186324149 is 941423681.

186324149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 185449924 + 874225 = 13618^2 + 935^2 .

It is a de Polignac number, because none of the positive numbers 2^k-186324149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186324109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 769814 + ... + 770055.

It is an arithmetic number, because the mean of its divisors is an integer number (34133785).

Almost surely, 2^186324149 is an apocalyptic number.

It is an amenable number.

186324149 is a deficient number, since it is larger than the sum of its proper divisors (18478561).

186324149 is a wasteful number, since it uses less digits than its factorization.

186324149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539891 (or 1539880 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 186324149 is about 13650.0604027968. The cubic root of 186324149 is about 571.1581551080.

The spelling of 186324149 in words is "one hundred eighty-six million, three hundred twenty-four thousand, one hundred forty-nine".