916940 has 36 divisors (see below), whose sum is σ = 2048256. Its totient is φ = 344736.

The previous prime is 916939. The next prime is 916961. The reversal of 916940 is 49619.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 916940.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7157 + ... + 7283.

It is an arithmetic number, because the mean of its divisors is an integer number (56896).

2⁹¹⁶⁹⁴⁰ 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 916940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024128).

916940 is an abundant number, since it is smaller than the sum of its proper divisors (1131316).

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

916940 is a wasteful number, since it uses less digits than its factorization.

916940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 916940 is about 957.5698407949. The cubic root of 916940 is about 97.1509323490.

The spelling of 916940 in words is "nine hundred sixteen thousand, nine hundred forty".