918899998 has 8 divisors (see below), whose sum is σ = 1378482192. Its totient is φ = 459405936.

The previous prime is 918899987. The next prime is 918900001. The reversal of 918899998 is 899998819.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20311 + ... + 47437.

It is an arithmetic number, because the mean of its divisors is an integer number (172310274).

Almost surely, 2^918899998 is an apocalyptic number.

918899998 is a deficient number, since it is larger than the sum of its proper divisors (459582194).

918899998 is a wasteful number, since it uses less digits than its factorization.

918899998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44066.

The product of its digits is 30233088, while the sum is 70.

The square root of 918899998 is about 30313.3633567772. The cubic root of 918899998 is about 972.2010449407.

The spelling of 918899998 in words is "nine hundred eighteen million, eight hundred ninety-nine thousand, nine hundred ninety-eight".