42982 has 4 divisors (see below), whose sum is σ = 64476. Its totient is φ = 21490.

The previous prime is 42979. The next prime is 42989. The reversal of 42982 is 28924.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10744 + ... + 10747.

It is an arithmetic number, because the mean of its divisors is an integer number (16119).

2⁴²⁹⁸² is an apocalyptic number.

42982 is a deficient number, since it is larger than the sum of its proper divisors (21494).

42982 is a wasteful number, since it uses less digits than its factorization.

42982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21493.

The product of its digits is 1152, while the sum is 25.

The square root of 42982 is about 207.3210071363. The cubic root of 42982 is about 35.0290914592.

It can be divided in two parts, 42 and 982, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 42982 in words is "forty-two thousand, nine hundred eighty-two".