47848939 has 2 divisors, whose sum is σ = 47848940. Its totient is φ = 47848938.

The previous prime is 47848907. The next prime is 47848987. The reversal of 47848939 is 93984874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47848939 - 2⁵ = 47848907 is a prime.

It is not a weakly prime, because it can be changed into another prime (47848439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23924469 + 23924470.

It is an arithmetic number, because the mean of its divisors is an integer number (23924470).

Almost surely, 2^47848939 is an apocalyptic number.

47848939 is a deficient number, since it is larger than the sum of its proper divisors (1).

47848939 is an equidigital number, since it uses as much as digits as its factorization.

47848939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The square root of 47848939 is about 6917.2927507805. The cubic root of 47848939 is about 363.0424734077.

The spelling of 47848939 in words is "forty-seven million, eight hundred forty-eight thousand, nine hundred thirty-nine".