1198015808 has 28 divisors (see below), whose sum is σ = 2593433472. Its totient is φ = 544552320.

The previous prime is 1198015807. The next prime is 1198015837. The reversal of 1198015808 is 8085108911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198015807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850160 + ... + 851567.

It is an arithmetic number, because the mean of its divisors is an integer number (92622624).

Almost surely, 2^1198015808 is an apocalyptic number.

It is an amenable number.

1198015808 is an abundant number, since it is smaller than the sum of its proper divisors (1395417664).

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

1198015808 is a wasteful number, since it uses less digits than its factorization.

1198015808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701750 (or 1701740 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 41.

The square root of 1198015808 is about 34612.3649582053. The cubic root of 1198015808 is about 1062.0725464490.

The spelling of 1198015808 in words is "one billion, one hundred ninety-eight million, fifteen thousand, eight hundred eight".