47945843 has 8 divisors (see below), whose sum is σ = 52437360. Its totient is φ = 43476480.

The previous prime is 47945827. The next prime is 47945857. The reversal of 47945843 is 34854974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47945843 - 2⁴ = 47945827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47945794 and 47945803.

It is not an unprimeable number, because it can be changed into a prime (47945893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830 + ... + 9827.

It is an arithmetic number, because the mean of its divisors is an integer number (6554670).

Almost surely, 2^47945843 is an apocalyptic number.

47945843 is a deficient number, since it is larger than the sum of its proper divisors (4491517).

47945843 is a wasteful number, since it uses less digits than its factorization.

47945843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11077.

The product of its digits is 483840, while the sum is 44.

The square root of 47945843 is about 6924.2936823910. The cubic root of 47945843 is about 363.2873868524.

The spelling of 47945843 in words is "forty-seven million, nine hundred forty-five thousand, eight hundred forty-three".