244828919 has 2 divisors, whose sum is σ = 244828920. Its totient is φ = 244828918.

The previous prime is 244828891. The next prime is 244828939. The reversal of 244828919 is 919828442.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244828919 - 2²⁰ = 243780343 is a prime.

It is a super-2 number, since 2×244828919² = 119882399157417122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244828939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122414459 + 122414460.

It is an arithmetic number, because the mean of its divisors is an integer number (122414460).

Almost surely, 2^244828919 is an apocalyptic number.

244828919 is a deficient number, since it is larger than the sum of its proper divisors (1).

244828919 is an equidigital number, since it uses as much as digits as its factorization.

244828919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 47.

The square root of 244828919 is about 15647.0099060491. The cubic root of 244828919 is about 625.5867931191.

The spelling of 244828919 in words is "two hundred forty-four million, eight hundred twenty-eight thousand, nine hundred nineteen".