194730 has 16 divisors (see below), whose sum is σ = 467424. Its totient is φ = 51920.

The previous prime is 194729. The next prime is 194749. The reversal of 194730 is 37491.

Added to its reverse (37491) it gives a triangular number (232221 = T₆₈₁).

It is a Curzon number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 194730.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3216 + ... + 3275.

It is an arithmetic number, because the mean of its divisors is an integer number (29214).

2¹⁹⁴⁷³⁰ is an apocalyptic number.

194730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194730 is an abundant number, since it is smaller than the sum of its proper divisors (272694).

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

194730 is a wasteful number, since it uses less digits than its factorization.

194730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 194730 is about 441.2822226195. The cubic root of 194730 is about 57.9621235066.

Adding to 194730 its reverse (37491), we get a triangular number (232221 = T₆₈₁).

The spelling of 194730 in words is "one hundred ninety-four thousand, seven hundred thirty".