304040860 has 24 divisors (see below), whose sum is σ = 650534976. Its totient is φ = 119321280.

The previous prime is 304040833. The next prime is 304040861. The reversal of 304040860 is 68040403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304040861) 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, 142356 + ... + 144475.

It is an arithmetic number, because the mean of its divisors is an integer number (27105624).

Almost surely, 2^304040860 is an apocalyptic number.

It is an amenable number.

304040860 is an abundant number, since it is smaller than the sum of its proper divisors (346494116).

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

304040860 is a wasteful number, since it uses less digits than its factorization.

304040860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286893 (or 286891 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 304040860 is about 17436.7674756533. The cubic root of 304040860 is about 672.4252050793.

The spelling of 304040860 in words is "three hundred four million, forty thousand, eight hundred sixty".