43909134 has 8 divisors (see below), whose sum is σ = 87818280. Its totient is φ = 14636376.

The previous prime is 43909111. The next prime is 43909189. The reversal of 43909134 is 43190934.

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

43909134 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 43909095 and 43909104.

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, 3659089 + ... + 3659100.

It is an arithmetic number, because the mean of its divisors is an integer number (10977285).

Almost surely, 2^43909134 is an apocalyptic number.

43909134 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.

43909134 is a wasteful number, since it uses less digits than its factorization.

43909134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7318194.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 43909134 is about 6626.3967584201. The cubic root of 43909134 is about 352.7916443586.

The spelling of 43909134 in words is "forty-three million, nine hundred nine thousand, one hundred thirty-four".