190304 has 24 divisors (see below), whose sum is σ = 395640. Its totient is φ = 89856.

The previous prime is 190301. The next prime is 190313. The reversal of 190304 is 403091.

190304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190304² = 72431224832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452 + ... + 764.

It is an arithmetic number, because the mean of its divisors is an integer number (16485).

2¹⁹⁰³⁰⁴ 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 190304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197820).

190304 is an abundant number, since it is smaller than the sum of its proper divisors (205336).

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

190304 is a wasteful number, since it uses less digits than its factorization.

190304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 190304 is about 436.2384668963. The cubic root of 190304 is about 57.5196152360.

Adding to 190304 its reverse (403091), we get a palindrome (593395).

It can be divided in two parts, 190 and 304, that added together give a palindrome (494).

The spelling of 190304 in words is "one hundred ninety thousand, three hundred four".