43420812 has 24 divisors (see below), whose sum is σ = 101510976. Its totient is φ = 14445648.

The previous prime is 43420799. The next prime is 43420813. The reversal of 43420812 is 21802434.

It is not an unprimeable number, because it can be changed into a prime (43420813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3543 + ... + 9969.

It is an arithmetic number, because the mean of its divisors is an integer number (4229624).

Almost surely, 2^43420812 is an apocalyptic number.

It is an amenable number.

43420812 is an abundant number, since it is smaller than the sum of its proper divisors (58090164).

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

43420812 is a wasteful number, since it uses less digits than its factorization.

43420812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997 (or 6995 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 43420812 is about 6589.4470177702. The cubic root of 43420812 is about 351.4789445559.

The spelling of 43420812 in words is "forty-three million, four hundred twenty thousand, eight hundred twelve".