917948 has 6 divisors (see below), whose sum is σ = 1606416. Its totient is φ = 458972.

The previous prime is 917927. The next prime is 917951. The reversal of 917948 is 849719.

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 917948.

It is an unprimeable number.

917948 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114740 + ... + 114747.

It is an arithmetic number, because the mean of its divisors is an integer number (267736).

2⁹¹⁷⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

917948 is a deficient number, since it is larger than the sum of its proper divisors (688468).

917948 is a wasteful number, since it uses less digits than its factorization.

917948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229491 (or 229489 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 917948 is about 958.0960285900. The cubic root of 917948 is about 97.1865189295.

The spelling of 917948 in words is "nine hundred seventeen thousand, nine hundred forty-eight".