1000782 has 32 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 325080.

The previous prime is 1000777. The next prime is 1000793. The reversal of 1000782 is 2870001.

It is a super-2 number, since 2×1000782² = 2003129223048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

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 15 ways as a sum of consecutive naturals, for example, 2107 + ... + 2537.

It is an arithmetic number, because the mean of its divisors is an integer number (71280).

2^1000782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140480).

1000782 is an abundant number, since it is smaller than the sum of its proper divisors (1280178).

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

1000782 is a wasteful number, since it uses less digits than its factorization.

1000782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1000782 is about 1000.3909235894. The cubic root of 1000782 is about 100.0260598749.

Adding to 1000782 its reverse (2870001), we get a palindrome (3870783).

The spelling of 1000782 in words is "one million, seven hundred eighty-two", and thus it is an aban number.