395787 has 16 divisors (see below), whose sum is σ = 617472. Its totient is φ = 220800.

The previous prime is 395767. The next prime is 395803. The reversal of 395787 is 787593.

It is not a de Polignac number, because 395787 - 2¹¹ = 393739 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 395787.

It is not an unprimeable number, because it can be changed into a prime (395737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787 + ... + 1187.

It is an arithmetic number, because the mean of its divisors is an integer number (38592).

2³⁹⁵⁷⁸⁷ is an apocalyptic number.

395787 is a deficient number, since it is larger than the sum of its proper divisors (221685).

395787 is a wasteful number, since it uses less digits than its factorization.

395787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458.

The product of its digits is 52920, while the sum is 39.

The square root of 395787 is about 629.1160465288. The cubic root of 395787 is about 73.4210360255.

The spelling of 395787 in words is "three hundred ninety-five thousand, seven hundred eighty-seven".