43939036 has 12 divisors (see below), whose sum is σ = 77354928. Its totient is φ = 21837632.

The previous prime is 43939019. The next prime is 43939061. The reversal of 43939036 is 63093934.

It is a junction number, because it is equal to n+sod(n) for n = 43938986 and 43939004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32221 + ... + 33556.

It is an arithmetic number, because the mean of its divisors is an integer number (6446244).

Almost surely, 2^43939036 is an apocalyptic number.

It is an amenable number.

43939036 is a deficient number, since it is larger than the sum of its proper divisors (33415892).

43939036 is a wasteful number, since it uses less digits than its factorization.

43939036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65948 (or 65946 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 43939036 is about 6628.6526534432. The cubic root of 43939036 is about 352.8717095679.

The spelling of 43939036 in words is "forty-three million, nine hundred thirty-nine thousand, thirty-six".