Search a number
-
+
3806197 is a prime number
BaseRepresentation
bin1110100001001111110101
321011101010021
432201033311
51433244242
6213325141
744231533
oct16411765
97141107
103806197
11216a71a
1213367b1
13a335b5
14711153
15502b67
hex3a13f5

3806197 has 2 divisors, whose sum is σ = 3806198. Its totient is φ = 3806196.

The previous prime is 3806191. The next prime is 3806207. The reversal of 3806197 is 7916083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3709476 + 96721 = 1926^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 3806197 - 23 = 3806189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3806191) 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 as a sum of consecutive naturals, namely, 1903098 + 1903099.

It is an arithmetic number, because the mean of its divisors is an integer number (1903099).

Almost surely, 23806197 is an apocalyptic number.

It is an amenable number.

3806197 is a deficient number, since it is larger than the sum of its proper divisors (1).

3806197 is an equidigital number, since it uses as much as digits as its factorization.

3806197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 3806197 is about 1950.9477184179. The cubic root of 3806197 is about 156.1338567301.

The spelling of 3806197 in words is "three million, eight hundred six thousand, one hundred ninety-seven".