940989 has 8 divisors (see below), whose sum is σ = 1433920. Its totient is φ = 537696.

The previous prime is 940981. The next prime is 940993. The reversal of 940989 is 989049.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 940989 - 2³ = 940981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22384 + ... + 22425.

It is an arithmetic number, because the mean of its divisors is an integer number (179240).

2⁹⁴⁰⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

940989 is a deficient number, since it is larger than the sum of its proper divisors (492931).

940989 is a wasteful number, since it uses less digits than its factorization.

940989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44819.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 940989 is about 970.0458752038. The cubic root of 940989 is about 97.9929538180.

The spelling of 940989 in words is "nine hundred forty thousand, nine hundred eighty-nine".