304213104 has 160 divisors (see below), whose sum is σ = 990214400. Its totient is φ = 88646400.

The previous prime is 304213099. The next prime is 304213139. The reversal of 304213104 is 401312403.

304213104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×304213104² = 185091225290629632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105279 + ... + 108129.

It is an arithmetic number, because the mean of its divisors is an integer number (6188840).

Almost surely, 2^304213104 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 304213104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495107200).

304213104 is an abundant number, since it is smaller than the sum of its proper divisors (686001296).

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

304213104 is a wasteful number, since it uses less digits than its factorization.

304213104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900 (or 2888 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 304213104 is about 17441.7058798731. The cubic root of 304213104 is about 672.5521609786.

Adding to 304213104 its reverse (401312403), we get a palindrome (705525507).

The spelling of 304213104 in words is "three hundred four million, two hundred thirteen thousand, one hundred four".