917042 has 16 divisors (see below), whose sum is σ = 1623552. Its totient is φ = 380160.

The previous prime is 917041. The next prime is 917051. The reversal of 917042 is 240719.

It is a junction number, because it is equal to n+sod(n) for n = 916999 and 917017.

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, 623 + ... + 1490.

It is an arithmetic number, because the mean of its divisors is an integer number (101472).

2⁹¹⁷⁰⁴² is an apocalyptic number.

917042 is a deficient number, since it is larger than the sum of its proper divisors (706510).

917042 is a wasteful number, since it uses less digits than its factorization.

917042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 917042 is about 957.6230991366. The cubic root of 917042 is about 97.1545345577.

The spelling of 917042 in words is "nine hundred seventeen thousand, forty-two".