43284428 has 12 divisors (see below), whose sum is σ = 82633992. Its totient is φ = 19674720.

The previous prime is 43284421. The next prime is 43284467. The reversal of 43284428 is 82448234.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (43284421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491825 + ... + 491912.

It is an arithmetic number, because the mean of its divisors is an integer number (6886166).

Almost surely, 2^43284428 is an apocalyptic number.

It is an amenable number.

43284428 is a deficient number, since it is larger than the sum of its proper divisors (39349564).

43284428 is a wasteful number, since it uses less digits than its factorization.

43284428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983752 (or 983750 counting only the distinct ones).

The product of its digits is 49152, while the sum is 35.

The square root of 43284428 is about 6579.0902106598. The cubic root of 43284428 is about 351.1105622161.

The spelling of 43284428 in words is "forty-three million, two hundred eighty-four thousand, four hundred twenty-eight".