918945324 has 84 divisors (see below), whose sum is σ = 2630413800. Its totient is φ = 278458560.

The previous prime is 918945299. The next prime is 918945329. The reversal of 918945324 is 423549819.

It is a self number, because there is not a number n which added to its sum of digits gives 918945324.

It is not an unprimeable number, because it can be changed into a prime (918945329) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 17752 + ... + 46400.

It is an arithmetic number, because the mean of its divisors is an integer number (31314450).

Almost surely, 2^918945324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 918945324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1315206900).

918945324 is an abundant number, since it is smaller than the sum of its proper divisors (1711468476).

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

918945324 is a wasteful number, since it uses less digits than its factorization.

918945324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28682 (or 28665 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 918945324 is about 30314.1109716251. The cubic root of 918945324 is about 972.2170297269.

The spelling of 918945324 in words is "nine hundred eighteen million, nine hundred forty-five thousand, three hundred twenty-four".