43795091 has 4 divisors (see below), whose sum is σ = 43833912. Its totient is φ = 43756272.

The previous prime is 43795069. The next prime is 43795097. The reversal of 43795091 is 19059734.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43795091 - 2¹⁰ = 43794067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43795097) 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 3 ways as a sum of consecutive naturals, for example, 17666 + ... + 19991.

It is an arithmetic number, because the mean of its divisors is an integer number (10958478).

Almost surely, 2^43795091 is an apocalyptic number.

43795091 is a deficient number, since it is larger than the sum of its proper divisors (38821).

43795091 is a wasteful number, since it uses less digits than its factorization.

43795091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38820.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 43795091 is about 6617.7859590652. The cubic root of 43795091 is about 352.4859501803.

The spelling of 43795091 in words is "forty-three million, seven hundred ninety-five thousand, ninety-one".