42866982 has 40 divisors (see below), whose sum is σ = 96990696. Its totient is φ = 14149728.

The previous prime is 42866977. The next prime is 42867043. The reversal of 42866982 is 28966824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16098 + ... + 18570.

Almost surely, 2^42866982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42866982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48495348).

42866982 is an abundant number, since it is smaller than the sum of its proper divisors (54123714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42866982 is a wasteful number, since it uses less digits than its factorization.

42866982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594 (or 2585 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 42866982 is about 6547.2881409023. The cubic root of 42866982 is about 349.9781809528.

The spelling of 42866982 in words is "forty-two million, eight hundred sixty-six thousand, nine hundred eighty-two".