43420384 has 24 divisors (see below), whose sum is σ = 97696368. Its totient is φ = 18608640.

The previous prime is 43420381. The next prime is 43420387. The reversal of 43420384 is 48302434.

It is an interprime number because it is at equal distance from previous prime (43420381) and next prime (43420387).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43420381) 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 3 ways as a sum of consecutive naturals, for example, 96697 + ... + 97144.

It is an arithmetic number, because the mean of its divisors is an integer number (4070682).

Almost surely, 2^43420384 is an apocalyptic number.

It is an amenable number.

43420384 is an abundant number, since it is smaller than the sum of its proper divisors (54275984).

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

43420384 is a wasteful number, since it uses less digits than its factorization.

43420384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193858 (or 193850 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 43420384 is about 6589.4145415204. The cubic root of 43420384 is about 351.4777897066.

The spelling of 43420384 in words is "forty-three million, four hundred twenty thousand, three hundred eighty-four".