194240 has 28 divisors (see below), whose sum is σ = 463296. Its totient is φ = 77568.

The previous prime is 194239. The next prime is 194263. The reversal of 194240 is 42491.

194240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17 + ... + 623.

2¹⁹⁴²⁴⁰ is an apocalyptic number.

194240 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 194240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231648).

194240 is an abundant number, since it is smaller than the sum of its proper divisors (269056).

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

194240 is an equidigital number, since it uses as much as digits as its factorization.

194240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 194240 is about 440.7266726669. The cubic root of 194240 is about 57.9134658848.

It can be divided in two parts, 194 and 240, that added together give a palindrome (434).

The spelling of 194240 in words is "one hundred ninety-four thousand, two hundred forty".