Search a number
-
+
3856361 is a prime number
BaseRepresentation
bin1110101101011111101001
321020220221012
432231133221
51441400421
6214353305
744531015
oct16553751
97226835
103856361
1121a4383
12135b835
13a50392
14725545
1551295b
hex3ad7e9

3856361 has 2 divisors, whose sum is σ = 3856362. Its totient is φ = 3856360.

The previous prime is 3856357. The next prime is 3856367. The reversal of 3856361 is 1636583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3308761 + 547600 = 1819^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 3856361 - 22 = 3856357 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (3856367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1928180 + 1928181.

It is an arithmetic number, because the mean of its divisors is an integer number (1928181).

Almost surely, 23856361 is an apocalyptic number.

It is an amenable number.

3856361 is a deficient number, since it is larger than the sum of its proper divisors (1).

3856361 is an equidigital number, since it uses as much as digits as its factorization.

3856361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 3856361 is about 1963.7619509503. The cubic root of 3856361 is about 156.8167903589.

The spelling of 3856361 in words is "three million, eight hundred fifty-six thousand, three hundred sixty-one".