47364439 has 2 divisors, whose sum is σ = 47364440. Its totient is φ = 47364438.

The previous prime is 47364419. The next prime is 47364451. The reversal of 47364439 is 93446374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47364439 - 2⁵ = 47364407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47364419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23682219 + 23682220.

It is an arithmetic number, because the mean of its divisors is an integer number (23682220).

Almost surely, 2^47364439 is an apocalyptic number.

47364439 is a deficient number, since it is larger than the sum of its proper divisors (1).

47364439 is an equidigital number, since it uses as much as digits as its factorization.

47364439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 40.

The square root of 47364439 is about 6882.1827206200. The cubic root of 47364439 is about 361.8129712629.

The spelling of 47364439 in words is "forty-seven million, three hundred sixty-four thousand, four hundred thirty-nine".