304030004 has 6 divisors (see below), whose sum is σ = 532052514. Its totient is φ = 152015000.

The previous prime is 304029991. The next prime is 304030019. The reversal of 304030004 is 400030403.

It can be written as a sum of positive squares in only one way, i.e., 302064400 + 1965604 = 17380^2 + 1402^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38003747 + ... + 38003754.

It is an arithmetic number, because the mean of its divisors is an integer number (88675419).

Almost surely, 2^304030004 is an apocalyptic number.

It is an amenable number.

304030004 is a deficient number, since it is larger than the sum of its proper divisors (228022510).

304030004 is a wasteful number, since it uses less digits than its factorization.

304030004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76007505 (or 76007503 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 304030004 is about 17436.4561766432. The cubic root of 304030004 is about 672.4172018404.

Adding to 304030004 its reverse (400030403), we get a palindrome (704060407).

The spelling of 304030004 in words is "three hundred four million, thirty thousand, four".