Search a number
-
+
3914189 is a prime number
BaseRepresentation
bin1110111011100111001101
321100212020222
432323213031
52000223224
6215521125
745161426
oct16734715
97325228
103914189
112233874
1213891a5
13a707b6
1473c64d
15524b5e
hex3bb9cd

3914189 has 2 divisors, whose sum is σ = 3914190. Its totient is φ = 3914188.

The previous prime is 3914179. The next prime is 3914201. The reversal of 3914189 is 9814193.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2301289 + 1612900 = 1517^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 3914189 - 216 = 3848653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3914129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1957094 + 1957095.

It is an arithmetic number, because the mean of its divisors is an integer number (1957095).

Almost surely, 23914189 is an apocalyptic number.

It is an amenable number.

3914189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3914189 is an equidigital number, since it uses as much as digits as its factorization.

3914189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 3914189 is about 1978.4309439553. The cubic root of 3914189 is about 157.5967525120.

The spelling of 3914189 in words is "three million, nine hundred fourteen thousand, one hundred eighty-nine".