43869242 has 8 divisors (see below), whose sum is σ = 65931732. Its totient is φ = 21892000.

The previous prime is 43869239. The next prime is 43869263. The reversal of 43869242 is 24296834.

It is a happy number.

43869242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43811161 + 58081 = 6619^2 + 241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 43869196 and 43869205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20009 + ... + 22092.

Almost surely, 2^43869242 is an apocalyptic number.

43869242 is a deficient number, since it is larger than the sum of its proper divisors (22062490).

43869242 is a wasteful number, since it uses less digits than its factorization.

43869242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42624.

The product of its digits is 82944, while the sum is 38.

The square root of 43869242 is about 6623.3859920738. The cubic root of 43869242 is about 352.6847734402.

The spelling of 43869242 in words is "forty-three million, eight hundred sixty-nine thousand, two hundred forty-two".