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386887 is a prime number
BaseRepresentation
bin1011110011101000111
3201122201011
41132131013
544340022
612143051
73200644
oct1363507
9648634
10386887
11244746
12167a87
13107137
14a0dcb
1579977
hex5e747

386887 has 2 divisors, whose sum is σ = 386888. Its totient is φ = 386886.

The previous prime is 386851. The next prime is 386891. The reversal of 386887 is 788683.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-386887 is a prime.

386887 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193443 + 193444.

It is an arithmetic number, because the mean of its divisors is an integer number (193444).

2386887 is an apocalyptic number.

386887 is a deficient number, since it is larger than the sum of its proper divisors (1).

386887 is an equidigital number, since it uses as much as digits as its factorization.

386887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 40.

The square root of 386887 is about 622.0024115709. The cubic root of 386887 is about 72.8665228399.

The spelling of 386887 in words is "three hundred eighty-six thousand, eight hundred eighty-seven".