47438089 has 2 divisors, whose sum is σ = 47438090. Its totient is φ = 47438088.

The previous prime is 47438063. The next prime is 47438093. The reversal of 47438089 is 98083474.

47438089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41062464 + 6375625 = 6408^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 47438089 - 2⁵ = 47438057 is a prime.

It is not a weakly prime, because it can be changed into another prime (47438389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23719044 + 23719045.

It is an arithmetic number, because the mean of its divisors is an integer number (23719045).

Almost surely, 2^47438089 is an apocalyptic number.

It is an amenable number.

47438089 is a deficient number, since it is larger than the sum of its proper divisors (1).

47438089 is an equidigital number, since it uses as much as digits as its factorization.

47438089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 47438089 is about 6887.5314155363. The cubic root of 47438089 is about 362.0004095312. Note that the first 3 decimals are identical.

The spelling of 47438089 in words is "forty-seven million, four hundred thirty-eight thousand, eighty-nine".