244434391 has 2 divisors, whose sum is σ = 244434392. Its totient is φ = 244434390.

The previous prime is 244434389. The next prime is 244434433. The reversal of 244434391 is 193434442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244434391 - 2¹ = 244434389 is a prime.

Together with 244434389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244434361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122217195 + 122217196.

It is an arithmetic number, because the mean of its divisors is an integer number (122217196).

Almost surely, 2^244434391 is an apocalyptic number.

244434391 is a deficient number, since it is larger than the sum of its proper divisors (1).

244434391 is an equidigital number, since it uses as much as digits as its factorization.

244434391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 244434391 is about 15634.3976858720. The cubic root of 244434391 is about 625.2505798422.

The spelling of 244434391 in words is "two hundred forty-four million, four hundred thirty-four thousand, three hundred ninety-one".