304743864 has 32 divisors (see below), whose sum is σ = 778072320. Its totient is φ = 99419616.

The previous prime is 304743863. The next prime is 304743893. The reversal of 304743864 is 468347403.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304743863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133954 + ... + 136209.

It is an arithmetic number, because the mean of its divisors is an integer number (24314760).

Almost surely, 2^304743864 is an apocalyptic number.

It is an amenable number.

304743864 is an abundant number, since it is smaller than the sum of its proper divisors (473328456).

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

304743864 is a wasteful number, since it uses less digits than its factorization.

304743864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270219 (or 270215 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 304743864 is about 17456.9145040010. The cubic root of 304743864 is about 672.9430672033.

The spelling of 304743864 in words is "three hundred four million, seven hundred forty-three thousand, eight hundred sixty-four".