190704 has 40 divisors (see below), whose sum is σ = 513360. Its totient is φ = 60928.

The previous prime is 190699. The next prime is 190709. The reversal of 190704 is 407091.

190704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (190699) and next prime (190709).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190709) by changing a digit.

190704 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324 + ... + 1460.

It is an arithmetic number, because the mean of its divisors is an integer number (12834).

2¹⁹⁰⁷⁰⁴ 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 190704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256680).

190704 is an abundant number, since it is smaller than the sum of its proper divisors (322656).

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

190704 is a wasteful number, since it uses less digits than its factorization.

190704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 190704 is about 436.6966910797. The cubic root of 190704 is about 57.5598871953.

Adding to 190704 its reverse (407091), we get a palindrome (597795).

The spelling of 190704 in words is "one hundred ninety thousand, seven hundred four".