1009982 has 4 divisors (see below), whose sum is σ = 1514976. Its totient is φ = 504990.

The previous prime is 1009963. The next prime is 1009991. The reversal of 1009982 is 2899001.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252494 + ... + 252497.

It is an arithmetic number, because the mean of its divisors is an integer number (378744).

2^1009982 is an apocalyptic number.

1009982 is a deficient number, since it is larger than the sum of its proper divisors (504994).

1009982 is an equidigital number, since it uses as much as digits as its factorization.

1009982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504993.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1009982 is about 1004.9786067375. The cubic root of 1009982 is about 100.3316323176.

It can be divided in two parts, 1009 and 982, that added together give a palindrome (1991).

The spelling of 1009982 in words is "one million, nine thousand, nine hundred eighty-two".