916740 has 72 divisors (see below), whose sum is σ = 3040128. Its totient is φ = 221760.

The previous prime is 916733. The next prime is 916771. The reversal of 916740 is 47619.

It is an unprimeable 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 23 ways as a sum of consecutive naturals, for example, 1749 + ... + 2211.

It is an arithmetic number, because the mean of its divisors is an integer number (42224).

2⁹¹⁶⁷⁴⁰ is an apocalyptic number.

916740 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 916740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520064).

916740 is an abundant number, since it is smaller than the sum of its proper divisors (2123388).

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

916740 is a wasteful number, since it uses less digits than its factorization.

916740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 916740 is about 957.4654040747. The cubic root of 916740 is about 97.1438684192.

The spelling of 916740 in words is "nine hundred sixteen thousand, seven hundred forty".