190854 has 24 divisors (see below), whose sum is σ = 432432. Its totient is φ = 60720.

The previous prime is 190843. The next prime is 190871. The reversal of 190854 is 458091.

190854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

190854 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 11 ways as a sum of consecutive naturals, for example, 184 + ... + 644.

It is an arithmetic number, because the mean of its divisors is an integer number (18018).

2¹⁹⁰⁸⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216216).

190854 is an abundant number, since it is smaller than the sum of its proper divisors (241578).

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

190854 is a wasteful number, since it uses less digits than its factorization.

190854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 190854 is about 436.8684012377. The cubic root of 190854 is about 57.5749746613.

The spelling of 190854 in words is "one hundred ninety thousand, eight hundred fifty-four".