917048 has 32 divisors (see below), whose sum is σ = 1989360. Its totient is φ = 391680.

The previous prime is 917041. The next prime is 917051. The reversal of 917048 is 840719.

It is a self number, because there is not a number n which added to its sum of digits gives 917048.

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 917048.

It is not an unprimeable number, because it can be changed into a prime (917041) by changing a digit.

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, 1190 + ... + 1802.

2⁹¹⁷⁰⁴⁸ 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 917048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994680).

917048 is an abundant number, since it is smaller than the sum of its proper divisors (1072312).

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

917048 is a wasteful number, since it uses less digits than its factorization.

917048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 917048 is about 957.6262318880. The cubic root of 917048 is about 97.1547464440.

The spelling of 917048 in words is "nine hundred seventeen thousand, forty-eight".