982170988 has 24 divisors (see below), whose sum is σ = 1823450832. Its totient is φ = 461297664.

The previous prime is 982170983. The next prime is 982170991. The reversal of 982170988 is 889071289.

It is a super-2 number, since 2×982170988² = 1929319699337792288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (982170983) 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 7 ways as a sum of consecutive naturals, for example, 21756 + ... + 49372.

It is an arithmetic number, because the mean of its divisors is an integer number (75977118).

Almost surely, 2^982170988 is an apocalyptic number.

It is an amenable number.

982170988 is a deficient number, since it is larger than the sum of its proper divisors (841279844).

982170988 is a wasteful number, since it uses less digits than its factorization.

982170988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28161 (or 28159 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 52.

The square root of 982170988 is about 31339.6073364042. The cubic root of 982170988 is about 994.0213226523.

The spelling of 982170988 in words is "nine hundred eighty-two million, one hundred seventy thousand, nine hundred eighty-eight".