940664 has 16 divisors (see below), whose sum is σ = 1821120. Its totient is φ = 455040.

The previous prime is 940649. The next prime is 940669. The reversal of 940664 is 466049.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940669) by changing a digit.

940664 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1649 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (113820).

2⁹⁴⁰⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

940664 is a deficient number, since it is larger than the sum of its proper divisors (880456).

940664 is a wasteful number, since it uses less digits than its factorization.

940664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830 (or 3826 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 940664 is about 969.8783428864. The cubic root of 940664 is about 97.9816708745.

The spelling of 940664 in words is "nine hundred forty thousand, six hundred sixty-four".