47839049 has 2 divisors, whose sum is σ = 47839050. Its totient is φ = 47839048.

The previous prime is 47839031. The next prime is 47839061. The reversal of 47839049 is 94093874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37393225 + 10445824 = 6115^2 + 3232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47839049 is a prime.

It is not a weakly prime, because it can be changed into another prime (47839069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23919524 + 23919525.

It is an arithmetic number, because the mean of its divisors is an integer number (23919525).

Almost surely, 2^47839049 is an apocalyptic number.

It is an amenable number.

47839049 is a deficient number, since it is larger than the sum of its proper divisors (1).

47839049 is an equidigital number, since it uses as much as digits as its factorization.

47839049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 47839049 is about 6916.5778387870. The cubic root of 47839049 is about 363.0174590079.

The spelling of 47839049 in words is "forty-seven million, eight hundred thirty-nine thousand, forty-nine".