304240004 has 12 divisors (see below), whose sum is σ = 535362828. Its totient is φ = 151279200.

The previous prime is 304239997. The next prime is 304240019. The reversal of 304240004 is 400042403.

It can be written as a sum of positive squares in 2 ways, for example, as 10048900 + 294191104 = 3170^2 + 17152^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209387 + ... + 210834.

It is an arithmetic number, because the mean of its divisors is an integer number (44613569).

Almost surely, 2^304240004 is an apocalyptic number.

It is an amenable number.

304240004 is a deficient number, since it is larger than the sum of its proper divisors (231122824).

304240004 is a wasteful number, since it uses less digits than its factorization.

304240004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420406 (or 420404 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 304240004 is about 17442.4770029947. The cubic root of 304240004 is about 672.5719838370.

Adding to 304240004 its reverse (400042403), we get a palindrome (704282407).

The spelling of 304240004 in words is "three hundred four million, two hundred forty thousand, four".