395887 has 2 divisors, whose sum is σ = 395888. Its totient is φ = 395886.

The previous prime is 395873. The next prime is 395891. The reversal of 395887 is 788593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 395887 - 2¹⁵ = 363119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197943 + 197944.

It is an arithmetic number, because the mean of its divisors is an integer number (197944).

2³⁹⁵⁸⁸⁷ is an apocalyptic number.

395887 is a deficient number, since it is larger than the sum of its proper divisors (1).

395887 is an equidigital number, since it uses as much as digits as its factorization.

395887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 395887 is about 629.1955181023. The cubic root of 395887 is about 73.4272190527.

It can be divided in two parts, 3 and 95887, that multiplied together give a triangular number (287661 = T₇₅₈).

The spelling of 395887 in words is "three hundred ninety-five thousand, eight hundred eighty-seven".