918088 has 8 divisors (see below), whose sum is σ = 1721430. Its totient is φ = 459040.

The previous prime is 918079. The next prime is 918089. The reversal of 918088 is 880819.

It can be written as a sum of positive squares in only one way, i.e., 917764 + 324 = 958^2 + 18^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (918089) by changing a digit.

918088 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, 57373 + ... + 57388.

2⁹¹⁸⁰⁸⁸ is an apocalyptic number.

It is an amenable number.

918088 is a deficient number, since it is larger than the sum of its proper divisors (803342).

918088 is a wasteful number, since it uses less digits than its factorization.

918088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114767 (or 114763 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 918088 is about 958.1690873745. The cubic root of 918088 is about 97.1914594493.

The spelling of 918088 in words is "nine hundred eighteen thousand, eighty-eight".