1004006 has 8 divisors (see below), whose sum is σ = 1512984. Its totient is φ = 499680.

The previous prime is 1003963. The next prime is 1004027. The reversal of 1004006 is 6004001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (189123).

2^1004006 is an apocalyptic number.

1004006 is a deficient number, since it is larger than the sum of its proper divisors (508978).

1004006 is a wasteful number, since it uses less digits than its factorization.

1004006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1004006 is about 1002.0009980035. Note that the first 3 decimals coincide. The cubic root of 1004006 is about 100.1333554176.

Adding to 1004006 its reverse (6004001), we get a palindrome (7008007).

The spelling of 1004006 in words is "one million, four thousand, six".