1000983 has 16 divisors (see below), whose sum is σ = 1416960. Its totient is φ = 627264.

The previous prime is 1000981. The next prime is 1000999. The reversal of 1000983 is 3890001.

It is not a de Polignac number, because 1000983 - 2¹ = 1000981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000981) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6060 + ... + 6222.

It is an arithmetic number, because the mean of its divisors is an integer number (88560).

2^1000983 is an apocalyptic number.

1000983 is a deficient number, since it is larger than the sum of its proper divisors (415977).

1000983 is a wasteful number, since it uses less digits than its factorization.

1000983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1000983 is about 1000.4913792732. The cubic root of 1000983 is about 100.0327559360.

Adding to 1000983 its reverse (3890001), we get a palindrome (4890984).

The spelling of 1000983 in words is "one million, nine hundred eighty-three", and thus it is an aban number.