446027381 has 2 divisors, whose sum is σ = 446027382. Its totient is φ = 446027380.

The previous prime is 446027369. The next prime is 446027459. The reversal of 446027381 is 183720644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260822500 + 185204881 = 16150^2 + 13609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-446027381 is a prime.

It is a super-2 number, since 2×446027381² = 397880849203438322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (446027311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223013690 + 223013691.

It is an arithmetic number, because the mean of its divisors is an integer number (223013691).

Almost surely, 2^446027381 is an apocalyptic number.

It is an amenable number.

446027381 is a deficient number, since it is larger than the sum of its proper divisors (1).

446027381 is an equidigital number, since it uses as much as digits as its factorization.

446027381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 446027381 is about 21119.3603359571. The cubic root of 446027381 is about 764.0477598909.

The spelling of 446027381 in words is "four hundred forty-six million, twenty-seven thousand, three hundred eighty-one".