43789340 has 36 divisors (see below), whose sum is σ = 106973496. Its totient is φ = 15013152.

The previous prime is 43789337. The next prime is 43789349. The reversal of 43789340 is 4398734.

It is a junction number, because it is equal to n+sod(n) for n = 43789294 and 43789303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43789349) 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 11 ways as a sum of consecutive naturals, for example, 21362 + ... + 23321.

It is an arithmetic number, because the mean of its divisors is an integer number (2971486).

Almost surely, 2^43789340 is an apocalyptic number.

It is an amenable number.

43789340 is an abundant number, since it is smaller than the sum of its proper divisors (63184156).

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

43789340 is a wasteful number, since it uses less digits than its factorization.

43789340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44706 (or 44697 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 43789340 is about 6617.3514339198. The cubic root of 43789340 is about 352.4705204796.

The spelling of 43789340 in words is "forty-three million, seven hundred eighty-nine thousand, three hundred forty".