446894857 has 2 divisors, whose sum is σ = 446894858. Its totient is φ = 446894856.

The previous prime is 446894779. The next prime is 446894873. The reversal of 446894857 is 758498644.

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., 276357376 + 170537481 = 16624^2 + 13059^2 .

It is a cyclic number.

It is not a de Polignac number, because 446894857 - 2¹⁹ = 446370569 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 446894798 and 446894807.

It is not a weakly prime, because it can be changed into another prime (446894257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223447428 + 223447429.

It is an arithmetic number, because the mean of its divisors is an integer number (223447429).

Almost surely, 2^446894857 is an apocalyptic number.

It is an amenable number.

446894857 is a deficient number, since it is larger than the sum of its proper divisors (1).

446894857 is an equidigital number, since it uses as much as digits as its factorization.

446894857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 55.

The square root of 446894857 is about 21139.8878190023. The cubic root of 446894857 is about 764.5427697632.

The spelling of 446894857 in words is "four hundred forty-six million, eight hundred ninety-four thousand, eight hundred fifty-seven".