918861488 has 20 divisors (see below), whose sum is σ = 1781906040. Its totient is φ = 459014784.

The previous prime is 918861487. The next prime is 918861499. The reversal of 918861488 is 884168819.

It is a happy number.

918861488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (918861487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7370 + ... + 43497.

It is an arithmetic number, because the mean of its divisors is an integer number (89095302).

Almost surely, 2^918861488 is an apocalyptic number.

It is an amenable number.

918861488 is a deficient number, since it is larger than the sum of its proper divisors (863044552).

918861488 is a wasteful number, since it uses less digits than its factorization.

918861488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52004 (or 51998 counting only the distinct ones).

The product of its digits is 884736, while the sum is 53.

The square root of 918861488 is about 30312.7281517187. The cubic root of 918861488 is about 972.1874634900.

The spelling of 918861488 in words is "nine hundred eighteen million, eight hundred sixty-one thousand, four hundred eighty-eight".