918381304 has 32 divisors (see below), whose sum is σ = 1769266800. Its totient is φ = 446644480.

The previous prime is 918381271. The next prime is 918381307. The reversal of 918381304 is 403183819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918381307) 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, 109782 + ... + 117850.

Almost surely, 2^918381304 is an apocalyptic number.

It is an amenable number.

918381304 is a deficient number, since it is larger than the sum of its proper divisors (850885496).

918381304 is a wasteful number, since it uses less digits than its factorization.

918381304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8463 (or 8459 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 918381304 is about 30304.8066154529. The cubic root of 918381304 is about 972.0180835148.

The spelling of 918381304 in words is "nine hundred eighteen million, three hundred eighty-one thousand, three hundred four".