190830 has 16 divisors (see below), whose sum is σ = 458064. Its totient is φ = 50880.

The previous prime is 190829. The next prime is 190837. The reversal of 190830 is 38091.

It is a junction number, because it is equal to n+sod(n) for n = 190797 and 190806.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 190830.

It is not an unprimeable number, because it can be changed into a prime (190837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3151 + ... + 3210.

It is an arithmetic number, because the mean of its divisors is an integer number (28629).

2¹⁹⁰⁸³⁰ is an apocalyptic number.

190830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190830 is an abundant number, since it is smaller than the sum of its proper divisors (267234).

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

190830 is a wasteful number, since it uses less digits than its factorization.

190830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 190830 is about 436.8409321481. The cubic root of 190830 is about 57.5725611981.

The spelling of 190830 in words is "one hundred ninety thousand, eight hundred thirty".