982638983 has 4 divisors (see below), whose sum is σ = 982766760. Its totient is φ = 982511208.

The previous prime is 982638953. The next prime is 982638997. The reversal of 982638983 is 389836289.

982638983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 982638983 - 2²⁸ = 714203527 is a prime.

It is a super-2 number, since 2×982638983² = 1931158741822548578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982638953) 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, 51560 + ... + 67997.

It is an arithmetic number, because the mean of its divisors is an integer number (245691690).

Almost surely, 2^982638983 is an apocalyptic number.

982638983 is a deficient number, since it is larger than the sum of its proper divisors (127777).

982638983 is a wasteful number, since it uses less digits than its factorization.

982638983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127776.

The product of its digits is 4478976, while the sum is 56.

The square root of 982638983 is about 31347.0729574549. The cubic root of 982638983 is about 994.1791781061.

The spelling of 982638983 in words is "nine hundred eighty-two million, six hundred thirty-eight thousand, nine hundred eighty-three".