304140004 has 12 divisors (see below), whose sum is σ = 608280064. Its totient is φ = 130345704.

The previous prime is 304139999. The next prime is 304140007. The reversal of 304140004 is 400041403.

304140004 is an admirable number.

It is a super-2 number, since 2×304140004² = 185002284066240032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 304140004.

It is not an unprimeable number, because it can be changed into a prime (304140007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5431044 + ... + 5431099.

Almost surely, 2^304140004 is an apocalyptic number.

It is an amenable number.

304140004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

304140004 is a wasteful number, since it uses less digits than its factorization.

304140004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10862154 (or 10862152 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 304140004 is about 17439.6102020659. The cubic root of 304140004 is about 672.4982870103.

Adding to 304140004 its reverse (400041403), we get a palindrome (704181407).

The spelling of 304140004 in words is "three hundred four million, one hundred forty thousand, four".