446857349 has 2 divisors, whose sum is σ = 446857350. Its totient is φ = 446857348.

The previous prime is 446857261. The next prime is 446857379. The reversal of 446857349 is 943758644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277389025 + 169468324 = 16655^2 + 13018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-446857349 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 446857297 and 446857306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (446857379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223428674 + 223428675.

It is an arithmetic number, because the mean of its divisors is an integer number (223428675).

Almost surely, 2^446857349 is an apocalyptic number.

It is an amenable number.

446857349 is a deficient number, since it is larger than the sum of its proper divisors (1).

446857349 is an equidigital number, since it uses as much as digits as its factorization.

446857349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 50.

The square root of 446857349 is about 21139.0006622830. Note that the first 3 decimals coincide. The cubic root of 446857349 is about 764.5213797412.

The spelling of 446857349 in words is "four hundred forty-six million, eight hundred fifty-seven thousand, three hundred forty-nine".