940891 has 8 divisors (see below), whose sum is σ = 1084160. Its totient is φ = 799848.

The previous prime is 940889. The next prime is 940903. The reversal of 940891 is 198049.

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

It is not a de Polignac number, because 940891 - 2¹ = 940889 is a prime.

940891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (940801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490 + ... + 1456.

It is an arithmetic number, because the mean of its divisors is an integer number (135520).

2⁹⁴⁰⁸⁹¹ is an apocalyptic number.

940891 is a deficient number, since it is larger than the sum of its proper divisors (143269).

940891 is a wasteful number, since it uses less digits than its factorization.

940891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 940891 is about 969.9953608136. The cubic root of 940891 is about 97.9895518502.

The spelling of 940891 in words is "nine hundred forty thousand, eight hundred ninety-one".