304240806 has 64 divisors (see below), whose sum is σ = 753580800. Its totient is φ = 90419328.

The previous prime is 304240801. The next prime is 304240813. The reversal of 304240806 is 608042403.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 304240806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304240801) 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 31 ways as a sum of consecutive naturals, for example, 8721 + ... + 26163.

It is an arithmetic number, because the mean of its divisors is an integer number (11774700).

Almost surely, 2^304240806 is an apocalyptic number.

It is a pronic number, being equal to 17442×17443.

It is a practical number, because each smaller number is the sum of distinct divisors of 304240806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376790400).

304240806 is an abundant number, since it is smaller than the sum of its proper divisors (449339994).

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

304240806 is a wasteful number, since it uses less digits than its factorization.

304240806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17490 (or 17484 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 304240806 is about 17442.4999928336. The cubic root of 304240806 is about 672.5725748203.

The spelling of 304240806 in words is "three hundred four million, two hundred forty thousand, eight hundred six".