1004003004 has 24 divisors (see below), whose sum is σ = 2346792448. Its totient is φ = 334079280.

The previous prime is 1004002991. The next prime is 1004003027. The reversal of 1004003004 is 4003004001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66412 + ... + 80115.

Almost surely, 2^1004003004 is an apocalyptic number.

It is an amenable number.

1004003004 is an abundant number, since it is smaller than the sum of its proper divisors (1342789444).

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

1004003004 is a wasteful number, since it uses less digits than its factorization.

1004003004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147105 (or 147103 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1004003004 is about 31686.0064381739. The cubic root of 1004003004 is about 1001.3325581667.

Adding to 1004003004 its reverse (4003004001), we get a palindrome (5007007005).

The spelling of 1004003004 in words is "one billion, four million, three thousand, four".