1004404412 has 12 divisors (see below), whose sum is σ = 1917499416. Its totient is φ = 456547440.

The previous prime is 1004404393. The next prime is 1004404439. The reversal of 1004404412 is 2144044001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11413643 + ... + 11413730.

It is an arithmetic number, because the mean of its divisors is an integer number (159791618).

Almost surely, 2^1004404412 is an apocalyptic number.

It is an amenable number.

1004404412 is a deficient number, since it is larger than the sum of its proper divisors (913095004).

1004404412 is a wasteful number, since it uses less digits than its factorization.

1004404412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22827388 (or 22827386 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1004404412 is about 31692.3399577879. The cubic root of 1004404412 is about 1001.4659871648.

Adding to 1004404412 its reverse (2144044001), we get a palindrome (3148448413).

The spelling of 1004404412 in words is "one billion, four million, four hundred four thousand, four hundred twelve".