918345 has 8 divisors (see below), whose sum is σ = 1469376. Its totient is φ = 489776.

The previous prime is 918341. The next prime is 918347. The reversal of 918345 is 543819.

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

It is a cyclic number.

It is not a de Polignac number, because 918345 - 2² = 918341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (918341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30597 + ... + 30626.

It is an arithmetic number, because the mean of its divisors is an integer number (183672).

2⁹¹⁸³⁴⁵ is an apocalyptic number.

It is an amenable number.

918345 is a deficient number, since it is larger than the sum of its proper divisors (551031).

918345 is a wasteful number, since it uses less digits than its factorization.

918345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61231.

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

The square root of 918345 is about 958.3031879317. The cubic root of 918345 is about 97.2005275251.

The spelling of 918345 in words is "nine hundred eighteen thousand, three hundred forty-five".