244620407 has 2 divisors, whose sum is σ = 244620408. Its totient is φ = 244620406.

The previous prime is 244620377. The next prime is 244620413. The reversal of 244620407 is 704026442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244620407 - 2¹⁰ = 244619383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244620407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244620427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122310203 + 122310204.

It is an arithmetic number, because the mean of its divisors is an integer number (122310204).

Almost surely, 2^244620407 is an apocalyptic number.

244620407 is a deficient number, since it is larger than the sum of its proper divisors (1).

244620407 is an equidigital number, since it uses as much as digits as its factorization.

244620407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 244620407 is about 15640.3454885114. The cubic root of 244620407 is about 625.4091460741.

Adding to 244620407 its reverse (704026442), we get a palindrome (948646849).

The spelling of 244620407 in words is "two hundred forty-four million, six hundred twenty thousand, four hundred seven".