964687 has 4 divisors (see below), whose sum is σ = 1015480. Its totient is φ = 913896.

The previous prime is 964679. The next prime is 964693. The reversal of 964687 is 786469.

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 964687 - 2³ = 964679 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964637) 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, 25368 + ... + 25405.

It is an arithmetic number, because the mean of its divisors is an integer number (253870).

2⁹⁶⁴⁶⁸⁷ is an apocalyptic number.

964687 is a deficient number, since it is larger than the sum of its proper divisors (50793).

964687 is a wasteful number, since it uses less digits than its factorization.

964687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50792.

The product of its digits is 72576, while the sum is 40.

The square root of 964687 is about 982.1848094936. The cubic root of 964687 is about 98.8087659616.

The spelling of 964687 in words is "nine hundred sixty-four thousand, six hundred eighty-seven".