981153850 has 24 divisors (see below), whose sum is σ = 1826231328. Its totient is φ = 392185200.

The previous prime is 981153847. The next prime is 981153853. The reversal of 981153850 is 58351189.

981153850 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (981153847) and next prime (981153853).

It is not an unprimeable number, because it can be changed into a prime (981153853) 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 11 ways as a sum of consecutive naturals, for example, 74245 + ... + 86455.

It is an arithmetic number, because the mean of its divisors is an integer number (76092972).

Almost surely, 2^981153850 is an apocalyptic number.

981153850 is a deficient number, since it is larger than the sum of its proper divisors (845077478).

981153850 is a wasteful number, since it uses less digits than its factorization.

981153850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13830 (or 13825 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 40.

The square root of 981153850 is about 31323.3754566777. The cubic root of 981153850 is about 993.6780673906.

The spelling of 981153850 in words is "nine hundred eighty-one million, one hundred fifty-three thousand, eight hundred fifty".