1002006 has 12 divisors (see below), whose sum is σ = 2171052. Its totient is φ = 333996.

The previous prime is 1001989. The next prime is 1002017. The reversal of 1002006 is 6002001.

1002006 = 499² + 500² + ... + 502².

1002006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27816 + ... + 27851.

It is an arithmetic number, because the mean of its divisors is an integer number (180921).

2^1002006 is an apocalyptic number.

1002006 is an abundant number, since it is smaller than the sum of its proper divisors (1169046).

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

1002006 is a wasteful number, since it uses less digits than its factorization.

1002006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55675 (or 55672 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1002006 is about 1001.0024974994. The cubic root of 1002006 is about 100.0668220049.

Adding to 1002006 its reverse (6002001), we get a palindrome (7004007).

The spelling of 1002006 in words is "one million, two thousand, six".