1003604412 has 24 divisors (see below), whose sum is σ = 2342306512. Its totient is φ = 334454400.

The previous prime is 1003604411. The next prime is 1003604443. The reversal of 1003604412 is 2144063001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003604411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63462 + ... + 77682.

Almost surely, 2^1003604412 is an apocalyptic number.

1003604412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1003604412 is an abundant number, since it is smaller than the sum of its proper divisors (1338702100).

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

1003604412 is a wasteful number, since it uses less digits than its factorization.

1003604412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20109 (or 20107 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1003604412 is about 31679.7160972127. The cubic root of 1003604412 is about 1001.2000300186.

Adding to 1003604412 its reverse (2144063001), we get a palindrome (3147667413).

The spelling of 1003604412 in words is "one billion, three million, six hundred four thousand, four hundred twelve".