1198898316 has 72 divisors (see below), whose sum is σ = 3778354944. Its totient is φ = 311401440.

The previous prime is 1198898297. The next prime is 1198898333. The reversal of 1198898316 is 6138988911.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213480 + ... + 219023.

It is an arithmetic number, because the mean of its divisors is an integer number (52477152).

Almost surely, 2^1198898316 is an apocalyptic number.

It is an amenable number.

1198898316 is an abundant number, since it is smaller than the sum of its proper divisors (2579456628).

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

1198898316 is a wasteful number, since it uses less digits than its factorization.

1198898316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432531 (or 432526 counting only the distinct ones).

The product of its digits is 746496, while the sum is 54.

The square root of 1198898316 is about 34625.1110611937. Note that the first 3 decimals coincide. The cubic root of 1198898316 is about 1062.3332712960. Note that the first 3 decimals are identical.

The spelling of 1198898316 in words is "one billion, one hundred ninety-eight million, eight hundred ninety-eight thousand, three hundred sixteen".