244828939 has 2 divisors, whose sum is σ = 244828940. Its totient is φ = 244828938.

The previous prime is 244828919. The next prime is 244828993. The reversal of 244828939 is 939828442.

Together with next prime (244828993) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244828939 - 2⁷ = 244828811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244828892 and 244828901.

It is not a weakly prime, because it can be changed into another prime (244828919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122414469 + 122414470.

It is an arithmetic number, because the mean of its divisors is an integer number (122414470).

Almost surely, 2^244828939 is an apocalyptic number.

244828939 is a deficient number, since it is larger than the sum of its proper divisors (1).

244828939 is an equidigital number, since it uses as much as digits as its factorization.

244828939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 49.

The square root of 244828939 is about 15647.0105451489. The cubic root of 244828939 is about 625.5868101537.

The spelling of 244828939 in words is "two hundred forty-four million, eight hundred twenty-eight thousand, nine hundred thirty-nine".