981113808 has 20 divisors (see below), whose sum is σ = 2534544128. Its totient is φ = 327037920.

The previous prime is 981113807. The next prime is 981113827. The reversal of 981113808 is 808311189.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981113803) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10219888 + ... + 10219983.

Almost surely, 2^981113808 is an apocalyptic number.

It is an amenable number.

981113808 is an abundant number, since it is smaller than the sum of its proper divisors (1553430320).

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

981113808 is a wasteful number, since it uses less digits than its factorization.

981113808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20439882 (or 20439876 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 39.

The square root of 981113808 is about 31322.7362789396. The cubic root of 981113808 is about 993.6645494976.

The spelling of 981113808 in words is "nine hundred eighty-one million, one hundred thirteen thousand, eight hundred eight".