987695 has 4 divisors (see below), whose sum is σ = 1185240. Its totient is φ = 790152.

The previous prime is 987659. The next prime is 987697. The reversal of 987695 is 596789.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 987695 - 2⁶ = 987631 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987695.

It is not an unprimeable number, because it can be changed into a prime (987697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98765 + ... + 98774.

It is an arithmetic number, because the mean of its divisors is an integer number (296310).

2⁹⁸⁷⁶⁹⁵ is an apocalyptic number.

987695 is a deficient number, since it is larger than the sum of its proper divisors (197545).

987695 is a wasteful number, since it uses less digits than its factorization.

987695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197544.

The product of its digits is 136080, while the sum is 44.

The square root of 987695 is about 993.8284560225. The cubic root of 987695 is about 99.5881393703.

The spelling of 987695 in words is "nine hundred eighty-seven thousand, six hundred ninety-five".