Search a number
-
+
4398887 is a prime number
BaseRepresentation
bin10000110001111100100111
322021111010202
4100301330213
52111231022
6234141115
752250513
oct20617447
98244122
104398887
112534a49
12158179b
13bb02bc
14827143
155bd592
hex431f27

4398887 has 2 divisors, whose sum is σ = 4398888. Its totient is φ = 4398886.

The previous prime is 4398859. The next prime is 4398941. The reversal of 4398887 is 7888934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4398887 - 210 = 4397863 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 (4398817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199443 + 2199444.

It is an arithmetic number, because the mean of its divisors is an integer number (2199444).

Almost surely, 24398887 is an apocalyptic number.

4398887 is a deficient number, since it is larger than the sum of its proper divisors (1).

4398887 is an equidigital number, since it uses as much as digits as its factorization.

4398887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 47.

The square root of 4398887 is about 2097.3523785955. The cubic root of 4398887 is about 163.8504362190.

Adding to 4398887 its sum of digits (47), we get a palindrome (4398934).

The spelling of 4398887 in words is "four million, three hundred ninety-eight thousand, eight hundred eighty-seven".