43804091 has 2 divisors, whose sum is σ = 43804092. Its totient is φ = 43804090.

The previous prime is 43804069. The next prime is 43804127. The reversal of 43804091 is 19040834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43804091 - 2¹⁴ = 43787707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43804051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21902045 + 21902046.

It is an arithmetic number, because the mean of its divisors is an integer number (21902046).

Almost surely, 2^43804091 is an apocalyptic number.

43804091 is a deficient number, since it is larger than the sum of its proper divisors (1).

43804091 is an equidigital number, since it uses as much as digits as its factorization.

43804091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 43804091 is about 6618.4659098616. The cubic root of 43804091 is about 352.5100941059.

The spelling of 43804091 in words is "forty-three million, eight hundred four thousand, ninety-one".