1004216 has 8 divisors (see below), whose sum is σ = 1882920. Its totient is φ = 502104.

The previous prime is 1004209. The next prime is 1004221. The reversal of 1004216 is 6124001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1004216.

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 as a sum of consecutive naturals, namely, 62756 + ... + 62771.

It is an arithmetic number, because the mean of its divisors is an integer number (235365).

2^1004216 is an apocalyptic number.

It is an amenable number.

1004216 is a deficient number, since it is larger than the sum of its proper divisors (878704).

1004216 is a wasteful number, since it uses less digits than its factorization.

1004216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125533 (or 125529 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1004216 is about 1002.1057828393. The cubic root of 1004216 is about 100.1403362984.

Adding to 1004216 its reverse (6124001), we get a palindrome (7128217).

The spelling of 1004216 in words is "one million, four thousand, two hundred sixteen".