940840 has 32 divisors (see below), whose sum is σ = 2170080. Its totient is φ = 366912.

The previous prime is 940829. The next prime is 940853. The reversal of 940840 is 48049.

940840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447 + ... + 1993.

It is an arithmetic number, because the mean of its divisors is an integer number (67815).

2⁹⁴⁰⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 940840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085040).

940840 is an abundant number, since it is smaller than the sum of its proper divisors (1229240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

940840 is a wasteful number, since it uses less digits than its factorization.

940840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 940840 is about 969.9690716719. The cubic root of 940840 is about 97.9877813449.

Adding to 940840 its reverse (48049), we get a palindrome (988889).

The spelling of 940840 in words is "nine hundred forty thousand, eight hundred forty".