444266947 has 2 divisors, whose sum is σ = 444266948. Its totient is φ = 444266946.

The previous prime is 444266929. The next prime is 444266969. The reversal of 444266947 is 749662444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444266947 - 2⁷ = 444266819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444266897 and 444266906.

It is not a weakly prime, because it can be changed into another prime (444266917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222133473 + 222133474.

It is an arithmetic number, because the mean of its divisors is an integer number (222133474).

Almost surely, 2^444266947 is an apocalyptic number.

444266947 is a deficient number, since it is larger than the sum of its proper divisors (1).

444266947 is an equidigital number, since it uses as much as digits as its factorization.

444266947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 46.

The square root of 444266947 is about 21077.6409258721. The cubic root of 444266947 is about 763.0412229153.

The spelling of 444266947 in words is "four hundred forty-four million, two hundred sixty-six thousand, nine hundred forty-seven".