186849853 has 2 divisors, whose sum is σ = 186849854. Its totient is φ = 186849852.

The previous prime is 186849847. The next prime is 186849911. The reversal of 186849853 is 358948681.

186849853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130028409 + 56821444 = 11403^2 + 7538^2 .

It is a cyclic number.

It is not a de Polignac number, because 186849853 - 2¹³ = 186841661 is a prime.

It is a super-2 number, since 2×186849853² = 69825735132243218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 186849853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (186849823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93424926 + 93424927.

It is an arithmetic number, because the mean of its divisors is an integer number (93424927).

Almost surely, 2^186849853 is an apocalyptic number.

It is an amenable number.

186849853 is a deficient number, since it is larger than the sum of its proper divisors (1).

186849853 is an equidigital number, since it uses as much as digits as its factorization.

186849853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 52.

The square root of 186849853 is about 13669.3033107031. The cubic root of 186849853 is about 571.6948151539.

The spelling of 186849853 in words is "one hundred eighty-six million, eight hundred forty-nine thousand, eight hundred fifty-three".