981149896 has 16 divisors (see below), whose sum is σ = 1845653040. Its totient is φ = 488975760.

The previous prime is 981149887. The next prime is 981149899. The reversal of 981149896 is 698941189.

981149896 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 (981149899) 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, 197290 + ... + 202201.

It is an arithmetic number, because the mean of its divisors is an integer number (115353315).

Almost surely, 2^981149896 is an apocalyptic number.

It is an amenable number.

981149896 is a deficient number, since it is larger than the sum of its proper divisors (864503144).

981149896 is a wasteful number, since it uses less digits than its factorization.

981149896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399804 (or 399800 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 55.

The square root of 981149896 is about 31323.3123408110. The cubic root of 981149896 is about 993.6767325648.

The spelling of 981149896 in words is "nine hundred eighty-one million, one hundred forty-nine thousand, eight hundred ninety-six".