244395197 has 4 divisors (see below), whose sum is σ = 245808060. Its totient is φ = 242982336.

The previous prime is 244395139. The next prime is 244395211. The reversal of 244395197 is 791593442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 231678841 + 12716356 = 15221^2 + 3566^2 .

It is a cyclic number.

It is not a de Polignac number, because 244395197 - 2⁶ = 244395133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244895197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706172 + ... + 706517.

It is an arithmetic number, because the mean of its divisors is an integer number (61452015).

Almost surely, 2^244395197 is an apocalyptic number.

It is an amenable number.

244395197 is a deficient number, since it is larger than the sum of its proper divisors (1412863).

244395197 is a wasteful number, since it uses less digits than its factorization.

244395197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412862.

The product of its digits is 272160, while the sum is 44.

The square root of 244395197 is about 15633.1441815138. The cubic root of 244395197 is about 625.2171593115.

The spelling of 244395197 in words is "two hundred forty-four million, three hundred ninety-five thousand, one hundred ninety-seven".