917055 has 16 divisors (see below), whose sum is σ = 1630560. Its totient is φ = 489024.

The previous prime is 917053. The next prime is 917083. The reversal of 917055 is 550719.

It is not a de Polignac number, because 917055 - 2¹ = 917053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

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 917055.

It is not an unprimeable number, because it can be changed into a prime (917051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3262 + ... + 3531.

It is an arithmetic number, because the mean of its divisors is an integer number (101910).

2⁹¹⁷⁰⁵⁵ is an apocalyptic number.

917055 is a deficient number, since it is larger than the sum of its proper divisors (713505).

917055 is a wasteful number, since it uses less digits than its factorization.

917055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807 (or 6801 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 917055 is about 957.6298867517. The cubic root of 917055 is about 97.1549936435.

The spelling of 917055 in words is "nine hundred seventeen thousand, fifty-five".