190280 has 32 divisors (see below), whose sum is σ = 440640. Its totient is φ = 73920.

The previous prime is 190271. The next prime is 190283. The reversal of 190280 is 82091.

190280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (190283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645 + ... + 2715.

It is an arithmetic number, because the mean of its divisors is an integer number (13770).

2¹⁹⁰²⁸⁰ is an apocalyptic number.

190280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220320).

190280 is an abundant number, since it is smaller than the sum of its proper divisors (250360).

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

190280 is a wasteful number, since it uses less digits than its factorization.

190280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 190280 is about 436.2109581384. The cubic root of 190280 is about 57.5171971246.

The spelling of 190280 in words is "one hundred ninety thousand, two hundred eighty".