Search a number
-
+
396887 is a prime number
BaseRepresentation
bin1100000111001010111
3202011102112
41200321113
5100200022
612301235
73242051
oct1407127
9664375
10396887
11251207
1217181b
1310b85a
14a48d1
157c8e2
hex60e57

396887 has 2 divisors, whose sum is σ = 396888. Its totient is φ = 396886.

The previous prime is 396883. The next prime is 396919. The reversal of 396887 is 788693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 396887 - 22 = 396883 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 (396881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198443 + 198444.

It is an arithmetic number, because the mean of its divisors is an integer number (198444).

2396887 is an apocalyptic number.

396887 is a deficient number, since it is larger than the sum of its proper divisors (1).

396887 is an equidigital number, since it uses as much as digits as its factorization.

396887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 396887 is about 629.9896824552. The cubic root of 396887 is about 73.4889921349.

The spelling of 396887 in words is "three hundred ninety-six thousand, eight hundred eighty-seven".