446981983 has 8 divisors (see below), whose sum is σ = 514091552. Its totient is φ = 380686176.

The previous prime is 446981957. The next prime is 446981987. The reversal of 446981983 is 389189644.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 446981983 - 2²¹ = 444884831 is a prime.

It is a super-2 number, since 2×446981983² = 399585786253224578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 446981983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446981987) 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 in 7 ways as a sum of consecutive naturals, for example, 202260 + ... + 204457.

It is an arithmetic number, because the mean of its divisors is an integer number (64261444).

Almost surely, 2^446981983 is an apocalyptic number.

446981983 is a deficient number, since it is larger than the sum of its proper divisors (67109569).

446981983 is a wasteful number, since it uses less digits than its factorization.

446981983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406881.

The product of its digits is 1492992, while the sum is 52.

The square root of 446981983 is about 21141.9484201433. The cubic root of 446981983 is about 764.5924512666.

The spelling of 446981983 in words is "four hundred forty-six million, nine hundred eighty-one thousand, nine hundred eighty-three".