446164993 has 8 divisors (see below), whose sum is σ = 463871520. Its totient is φ = 428783520.

The previous prime is 446164963. The next prime is 446165003. The reversal of 446164993 is 399461644.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-446164993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (446164963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78463 + ... + 83956.

It is an arithmetic number, because the mean of its divisors is an integer number (57983940).

Almost surely, 2^446164993 is an apocalyptic number.

It is an amenable number.

446164993 is a deficient number, since it is larger than the sum of its proper divisors (17706527).

446164993 is a wasteful number, since it uses less digits than its factorization.

446164993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162527.

The product of its digits is 559872, while the sum is 46.

The square root of 446164993 is about 21122.6180432256. The cubic root of 446164993 is about 764.1263285570.

The spelling of 446164993 in words is "four hundred forty-six million, one hundred sixty-four thousand, nine hundred ninety-three".