940689 has 12 divisors (see below), whose sum is σ = 1371136.
Its totient is φ = 621432.
The previous prime is 940669. The next prime is 940691. The reversal of 940689 is 986049.
940689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 940689 - 213 = 932497 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (940619) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 732 + ... + 1554.
2940689 is an apocalyptic number.
It is an amenable number.
940689 is a deficient number, since it is larger than the sum of its proper divisors (430447).
940689 is a wasteful number, since it uses less digits than its factorization.
940689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 956 (or 953 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 940689 is about 969.8912310151.
The cubic root of 940689 is about 97.9825388854.
The spelling of 940689 in words is "nine hundred forty thousand, six hundred eighty-nine".