981942017 has 12 divisors (see below), whose sum is σ = 1159311600. Its totient is φ = 829099656.

The previous prime is 981941959. The next prime is 981942061. The reversal of 981942017 is 710249189.

981942017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 981942017 - 2⁶ = 981941953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981942067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146267 + ... + 152832.

It is an arithmetic number, because the mean of its divisors is an integer number (96609300).

Almost surely, 2^981942017 is an apocalyptic number.

It is an amenable number.

981942017 is a deficient number, since it is larger than the sum of its proper divisors (177369583).

981942017 is a wasteful number, since it uses less digits than its factorization.

981942017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299180 (or 299173 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 981942017 is about 31335.9540623865. The cubic root of 981942017 is about 993.9440721029.

The spelling of 981942017 in words is "nine hundred eighty-one million, nine hundred forty-two thousand, seventeen".