443146436 has 6 divisors (see below), whose sum is σ = 775506270. Its totient is φ = 221573216.

The previous prime is 443146411. The next prime is 443146439. The reversal of 443146436 is 634641344.

It can be written as a sum of positive squares in only one way, i.e., 413878336 + 29268100 = 20344^2 + 5410^2 .

It is a junction number, because it is equal to n+sod(n) for n = 443146396 and 443146405.

It is not an unprimeable number, because it can be changed into a prime (443146439) 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 as a sum of consecutive naturals, namely, 55393301 + ... + 55393308.

It is an arithmetic number, because the mean of its divisors is an integer number (129251045).

Almost surely, 2^443146436 is an apocalyptic number.

It is an amenable number.

443146436 is a deficient number, since it is larger than the sum of its proper divisors (332359834).

443146436 is a wasteful number, since it uses less digits than its factorization.

443146436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110786613 (or 110786611 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

The square root of 443146436 is about 21051.0435845827. The cubic root of 443146436 is about 762.3991795749.

The spelling of 443146436 in words is "four hundred forty-three million, one hundred forty-six thousand, four hundred thirty-six".