244300391 has 2 divisors, whose sum is σ = 244300392. Its totient is φ = 244300390.

The previous prime is 244300363. The next prime is 244300403. The reversal of 244300391 is 193003442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244300391 - 2⁶ = 244300327 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244300391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244330391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122150195 + 122150196.

It is an arithmetic number, because the mean of its divisors is an integer number (122150196).

Almost surely, 2^244300391 is an apocalyptic number.

244300391 is a deficient number, since it is larger than the sum of its proper divisors (1).

244300391 is an equidigital number, since it uses as much as digits as its factorization.

244300391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 244300391 is about 15630.1116758646. Note that the first 3 decimals coincide. The cubic root of 244300391 is about 625.1363039252.

The spelling of 244300391 in words is "two hundred forty-four million, three hundred thousand, three hundred ninety-one".