446691797 has 2 divisors, whose sum is σ = 446691798. Its totient is φ = 446691796.

The previous prime is 446691757. The next prime is 446691799. The reversal of 446691797 is 797196644.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437395396 + 9296401 = 20914^2 + 3049^2 .

It is a cyclic number.

It is not a de Polignac number, because 446691797 - 2⁶ = 446691733 is a prime.

Together with 446691799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (446691799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223345898 + 223345899.

It is an arithmetic number, because the mean of its divisors is an integer number (223345899).

Almost surely, 2^446691797 is an apocalyptic number.

It is an amenable number.

446691797 is a deficient number, since it is larger than the sum of its proper divisors (1).

446691797 is an equidigital number, since it uses as much as digits as its factorization.

446691797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 53.

The square root of 446691797 is about 21135.0845042077. The cubic root of 446691797 is about 764.4269546207.

The spelling of 446691797 in words is "four hundred forty-six million, six hundred ninety-one thousand, seven hundred ninety-seven".