43685706 has 8 divisors (see below), whose sum is σ = 87371424. Its totient is φ = 14561900.

The previous prime is 43685689. The next prime is 43685737. The reversal of 43685706 is 60758634.

43685706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

43685706 is an admirable number.

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, 3640470 + ... + 3640481.

It is an arithmetic number, because the mean of its divisors is an integer number (10921428).

Almost surely, 2^43685706 is an apocalyptic number.

43685706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43685706 is a wasteful number, since it uses less digits than its factorization.

43685706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280956.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 43685706 is about 6609.5163211842. The cubic root of 43685706 is about 352.1922428277.

The spelling of 43685706 in words is "forty-three million, six hundred eighty-five thousand, seven hundred six".