47849983 has 2 divisors, whose sum is σ = 47849984. Its totient is φ = 47849982.

The previous prime is 47849981. The next prime is 47849987. The reversal of 47849983 is 38994874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47849983 - 2¹ = 47849981 is a prime.

Together with 47849981, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47849983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47849981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23924991 + 23924992.

It is an arithmetic number, because the mean of its divisors is an integer number (23924992).

Almost surely, 2^47849983 is an apocalyptic number.

47849983 is a deficient number, since it is larger than the sum of its proper divisors (1).

47849983 is an equidigital number, since it uses as much as digits as its factorization.

47849983 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 47849983 is about 6917.3682134176. The cubic root of 47849983 is about 363.0451137559.

The spelling of 47849983 in words is "forty-seven million, eight hundred forty-nine thousand, nine hundred eighty-three".