43408093 has 2 divisors, whose sum is σ = 43408094. Its totient is φ = 43408092.

The previous prime is 43408073. The next prime is 43408109. The reversal of 43408093 is 39080434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30173049 + 13235044 = 5493^2 + 3638^2 .

It is a cyclic number.

It is not a de Polignac number, because 43408093 - 2¹³ = 43399901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43408003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21704046 + 21704047.

It is an arithmetic number, because the mean of its divisors is an integer number (21704047).

Almost surely, 2^43408093 is an apocalyptic number.

It is an amenable number.

43408093 is a deficient number, since it is larger than the sum of its proper divisors (1).

43408093 is an equidigital number, since it uses as much as digits as its factorization.

43408093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 43408093 is about 6588.4818433384. The cubic root of 43408093 is about 351.4446223260. Note that the first 3 decimals are identical.

The spelling of 43408093 in words is "forty-three million, four hundred eight thousand, ninety-three".