443420412 has 48 divisors (see below), whose sum is σ = 1069915392. Its totient is φ = 142837120.

The previous prime is 443420399. The next prime is 443420413. The reversal of 443420412 is 214024344.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443420413) 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 15 ways as a sum of consecutive naturals, for example, 48433 + ... + 56855.

It is an arithmetic number, because the mean of its divisors is an integer number (22289904).

Almost surely, 2^443420412 is an apocalyptic number.

It is an amenable number.

443420412 is an abundant number, since it is smaller than the sum of its proper divisors (626494980).

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

443420412 is a wasteful number, since it uses less digits than its factorization.

443420412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8578 (or 8576 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 443420412 is about 21057.5499999406. The cubic root of 443420412 is about 762.5562653813.

Adding to 443420412 its reverse (214024344), we get a palindrome (657444756).

The spelling of 443420412 in words is "four hundred forty-three million, four hundred twenty thousand, four hundred twelve".