981923108 has 6 divisors (see below), whose sum is σ = 1718365446. Its totient is φ = 490961552.

The previous prime is 981923087. The next prime is 981923141. The reversal of 981923108 is 801329189.

981923108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 576384064 + 405539044 = 24008^2 + 20138^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122740385 + ... + 122740392.

It is an arithmetic number, because the mean of its divisors is an integer number (286394241).

Almost surely, 2^981923108 is an apocalyptic number.

It is an amenable number.

981923108 is a deficient number, since it is larger than the sum of its proper divisors (736442338).

981923108 is a wasteful number, since it uses less digits than its factorization.

981923108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245480781 (or 245480779 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 981923108 is about 31335.6523468078. The cubic root of 981923108 is about 993.9376920218.

The spelling of 981923108 in words is "nine hundred eighty-one million, nine hundred twenty-three thousand, one hundred eight".