304213066 has 16 divisors (see below), whose sum is σ = 480692160. Its totient is φ = 143994240.

The previous prime is 304213051. The next prime is 304213069. The reversal of 304213066 is 660312403.

It is a self number, because there is not a number n which added to its sum of digits gives 304213066.

It is not an unprimeable number, because it can be changed into a prime (304213069) 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, 77155 + ... + 81001.

It is an arithmetic number, because the mean of its divisors is an integer number (30043260).

Almost surely, 2^304213066 is an apocalyptic number.

304213066 is a deficient number, since it is larger than the sum of its proper divisors (176479094).

304213066 is a wasteful number, since it uses less digits than its factorization.

304213066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5949.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 304213066 is about 17441.7047905301. The cubic root of 304213066 is about 672.5521329752.

Adding to 304213066 its reverse (660312403), we get a palindrome (964525469).

The spelling of 304213066 in words is "three hundred four million, two hundred thirteen thousand, sixty-six".