304178868 has 144 divisors (see below), whose sum is σ = 925041600. Its totient is φ = 86184000.

The previous prime is 304178857. The next prime is 304178899. The reversal of 304178868 is 868871403.

It is a super-2 number, since 2×304178868² = 185049567475522848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1211743 + ... + 1211993.

It is an arithmetic number, because the mean of its divisors is an integer number (6423900).

Almost surely, 2^304178868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304178868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462520800).

304178868 is an abundant number, since it is smaller than the sum of its proper divisors (620862732).

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

304178868 is a wasteful number, since it uses less digits than its factorization.

304178868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 304178868 is about 17440.7244115604. The cubic root of 304178868 is about 672.5269304639.

The spelling of 304178868 in words is "three hundred four million, one hundred seventy-eight thousand, eight hundred sixty-eight".