918486 has 32 divisors (see below), whose sum is σ = 2077920. Its totient is φ = 300672.

The previous prime is 918481. The next prime is 918497. The reversal of 918486 is 684819.

It is a happy number.

918486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 918486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918481) by changing a digit.

918486 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 in 15 ways as a sum of consecutive naturals, for example, 3826 + ... + 4058.

It is an arithmetic number, because the mean of its divisors is an integer number (64935).

2⁹¹⁸⁴⁸⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 918486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1038960).

918486 is an abundant number, since it is smaller than the sum of its proper divisors (1159434).

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

918486 is a wasteful number, since it uses less digits than its factorization.

918486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 311 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 918486 is about 958.3767526396. The cubic root of 918486 is about 97.2055018986.

The spelling of 918486 in words is "nine hundred eighteen thousand, four hundred eighty-six".