918273320 has 64 divisors (see below), whose sum is σ = 2149424640. Its totient is φ = 352684800.

The previous prime is 918273319. The next prime is 918273331. The reversal of 918273320 is 23372819.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159614 + ... + 165266.

It is an arithmetic number, because the mean of its divisors is an integer number (33584760).

Almost surely, 2^918273320 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 918273320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074712320).

918273320 is an abundant number, since it is smaller than the sum of its proper divisors (1231151320).

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

918273320 is a wasteful number, since it uses less digits than its factorization.

918273320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826 (or 5822 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 918273320 is about 30303.0249315147. The cubic root of 918273320 is about 971.9799851366.

The spelling of 918273320 in words is "nine hundred eighteen million, two hundred seventy-three thousand, three hundred twenty".