918534 has 8 divisors (see below), whose sum is σ = 1837080. Its totient is φ = 306176.

The previous prime is 918529. The next prime is 918539. The reversal of 918534 is 435819.

It is an interprime number because it is at equal distance from previous prime (918529) and next prime (918539).

It is a sphenic number, since it is the product of 3 distinct primes.

918534 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918539) by changing a digit.

918534 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 3 ways as a sum of consecutive naturals, for example, 76539 + ... + 76550.

It is an arithmetic number, because the mean of its divisors is an integer number (229635).

2⁹¹⁸⁵³⁴ is an apocalyptic number.

918534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

918534 is a wasteful number, since it uses less digits than its factorization.

918534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153094.

The product of its digits is 4320, while the sum is 30.

The square root of 918534 is about 958.4017946561. The cubic root of 918534 is about 97.2071951862.

The spelling of 918534 in words is "nine hundred eighteen thousand, five hundred thirty-four".