443464146 has 20 divisors (see below), whose sum is σ = 993688542. Its totient is φ = 147821328.

The previous prime is 443464141. The next prime is 443464163. The reversal of 443464146 is 641464344.

443464146 is a `hidden beast` number, since 4 + 4 + 3 + 4 + 641 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 439363521 + 4100625 = 20961^2 + 2025^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 443464146.

It is not an unprimeable number, because it can be changed into a prime (443464141) 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 9 ways as a sum of consecutive naturals, for example, 1368555 + ... + 1368878.

Almost surely, 2^443464146 is an apocalyptic number.

443464146 is an abundant number, since it is smaller than the sum of its proper divisors (550224396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

443464146 is a wasteful number, since it uses less digits than its factorization.

443464146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737447 (or 2737438 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 443464146 is about 21058.5884142314. The cubic root of 443464146 is about 762.5813345470.

The spelling of 443464146 in words is "four hundred forty-three million, four hundred sixty-four thousand, one hundred forty-six".