916688 has 40 divisors (see below), whose sum is σ = 1928448. Its totient is φ = 420992.

The previous prime is 916679. The next prime is 916703. The reversal of 916688 is 886619.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 916688.

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, 17270 + ... + 17322.

2⁹¹⁶⁶⁸⁸ 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 916688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964224).

916688 is an abundant number, since it is smaller than the sum of its proper divisors (1011760).

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

916688 is a wasteful number, since it uses less digits than its factorization.

916688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 125 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 916688 is about 957.4382486615. The cubic root of 916688 is about 97.1420316292.

It can be divided in two parts, 9166 and 88, that multiplied together give a palindrome (806608).

The spelling of 916688 in words is "nine hundred sixteen thousand, six hundred eighty-eight".