966687 has 4 divisors (see below), whose sum is σ = 1288920. Its totient is φ = 644456.

The previous prime is 966677. The next prime is 966727. The reversal of 966687 is 786669.

It is a happy number.

966687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 966687 - 2⁸ = 966431 is a prime.

It is a D-number.

966687 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161112 + ... + 161117.

It is an arithmetic number, because the mean of its divisors is an integer number (322230).

2⁹⁶⁶⁶⁸⁷ is an apocalyptic number.

966687 is a deficient number, since it is larger than the sum of its proper divisors (322233).

966687 is a wasteful number, since it uses less digits than its factorization.

966687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322232.

The product of its digits is 108864, while the sum is 42.

The square root of 966687 is about 983.2024206642. The cubic root of 966687 is about 98.8770026440.

It can be divided in two parts, 96668 and 7, that multiplied together give a palindrome (676676).

The spelling of 966687 in words is "nine hundred sixty-six thousand, six hundred eighty-seven".