190256 has 40 divisors (see below), whose sum is σ = 428544. Its totient is φ = 80960.

The previous prime is 190249. The next prime is 190261. The reversal of 190256 is 652091.

190256 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 (23).

It is an unprimeable number.

190256 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, 4025 + ... + 4071.

2¹⁹⁰²⁵⁶ is an apocalyptic number.

190256 is a gapful number since it is divisible by the number (16) 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 190256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214272).

190256 is an abundant number, since it is smaller than the sum of its proper divisors (238288).

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

190256 is a wasteful number, since it uses less digits than its factorization.

190256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 190256 is about 436.1834476456. The cubic root of 190256 is about 57.5147788099.

The spelling of 190256 in words is "one hundred ninety thousand, two hundred fifty-six".