244191 has 8 divisors (see below), whose sum is σ = 339840. Its totient is φ = 155672.

The previous prime is 244177. The next prime is 244199. The reversal of 244191 is 191442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244191 - 2⁵ = 244159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244199) 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, 1701 + ... + 1838.

It is an arithmetic number, because the mean of its divisors is an integer number (42480).

2²⁴⁴¹⁹¹ is an apocalyptic number.

244191 is a deficient number, since it is larger than the sum of its proper divisors (95649).

244191 is a wasteful number, since it uses less digits than its factorization.

244191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565.

The product of its digits is 288, while the sum is 21.

The square root of 244191 is about 494.1568576879. The cubic root of 244191 is about 62.5042983710.

It can be divided in two parts, 244 and 191, that added together give a triangular number (435 = T₂₉).

The spelling of 244191 in words is "two hundred forty-four thousand, one hundred ninety-one".