47841439 has 2 divisors, whose sum is σ = 47841440. Its totient is φ = 47841438.

The previous prime is 47841427. The next prime is 47841523. The reversal of 47841439 is 93414874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47841439 - 2¹¹ = 47839391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47841239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23920719 + 23920720.

It is an arithmetic number, because the mean of its divisors is an integer number (23920720).

Almost surely, 2^47841439 is an apocalyptic number.

47841439 is a deficient number, since it is larger than the sum of its proper divisors (1).

47841439 is an equidigital number, since it uses as much as digits as its factorization.

47841439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 47841439 is about 6916.7506099324. The cubic root of 47841439 is about 363.0235042596.

The spelling of 47841439 in words is "forty-seven million, eight hundred forty-one thousand, four hundred thirty-nine".