447393941 has 2 divisors, whose sum is σ = 447393942. Its totient is φ = 447393940.

The previous prime is 447393937. The next prime is 447393959. The reversal of 447393941 is 149393744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269944900 + 177449041 = 16430^2 + 13321^2 .

It is a cyclic number.

It is not a de Polignac number, because 447393941 - 2² = 447393937 is a prime.

It is a super-2 number, since 2×447393941² = 400322676887022962, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 447393892 and 447393901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447393911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223696970 + 223696971.

It is an arithmetic number, because the mean of its divisors is an integer number (223696971).

Almost surely, 2^447393941 is an apocalyptic number.

It is an amenable number.

447393941 is a deficient number, since it is larger than the sum of its proper divisors (1).

447393941 is an equidigital number, since it uses as much as digits as its factorization.

447393941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 447393941 is about 21151.6888451017. The cubic root of 447393941 is about 764.8272730059.

The spelling of 447393941 in words is "four hundred forty-seven million, three hundred ninety-three thousand, nine hundred forty-one".