30982 has 8 divisors (see below), whose sum is σ = 53136. Its totient is φ = 13272.

The previous prime is 30977. The next prime is 30983. The reversal of 30982 is 28903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093 + ... + 1120.

It is an arithmetic number, because the mean of its divisors is an integer number (6642).

2³⁰⁹⁸² is an apocalyptic number.

30982 is a deficient number, since it is larger than the sum of its proper divisors (22154).

30982 is a wasteful number, since it uses less digits than its factorization.

30982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 30982 is about 176.0170446292. The cubic root of 30982 is about 31.4077252552.

The spelling of 30982 in words is "thirty thousand, nine hundred eighty-two".