43794491 has 12 divisors (see below), whose sum is σ = 47609280. Its totient is φ = 40266720.

The previous prime is 43794481. The next prime is 43794521. The reversal of 43794491 is 19449734.

It is a de Polignac number, because none of the positive numbers 2^k-43794491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43794481) 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 11 ways as a sum of consecutive naturals, for example, 80681 + ... + 81221.

It is an arithmetic number, because the mean of its divisors is an integer number (3967440).

Almost surely, 2^43794491 is an apocalyptic number.

43794491 is a deficient number, since it is larger than the sum of its proper divisors (3814789).

43794491 is a wasteful number, since it uses less digits than its factorization.

43794491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1033 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 43794491 is about 6617.7406265281. The cubic root of 43794491 is about 352.4843404676.

The spelling of 43794491 in words is "forty-three million, seven hundred ninety-four thousand, four hundred ninety-one".