917606816 has 48 divisors (see below), whose sum is σ = 2085108480. Its totient is φ = 389356800.

The previous prime is 917606791. The next prime is 917606839. The reversal of 917606816 is 618606719.

It is an unprimeable number.

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, 2345 + ... + 42903.

It is an arithmetic number, because the mean of its divisors is an integer number (43439760).

Almost surely, 2^917606816 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 917606816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1042554240).

917606816 is an abundant number, since it is smaller than the sum of its proper divisors (1167501664).

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

917606816 is a wasteful number, since it uses less digits than its factorization.

917606816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40677 (or 40669 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 917606816 is about 30292.0256173139. The cubic root of 917606816 is about 971.7447663720.

The spelling of 917606816 in words is "nine hundred seventeen million, six hundred six thousand, eight hundred sixteen".