47845939 has 8 divisors (see below), whose sum is σ = 50727600. Its totient is φ = 44971776.

The previous prime is 47845937. The next prime is 47845943. The reversal of 47845939 is 93954874.

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 47845939 - 2¹ = 47845937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47845892 and 47845901.

It is not an unprimeable number, because it can be changed into a prime (47845937) 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, 16492 + ... + 19174.

It is an arithmetic number, because the mean of its divisors is an integer number (6340950).

Almost surely, 2^47845939 is an apocalyptic number.

47845939 is a deficient number, since it is larger than the sum of its proper divisors (2881661).

47845939 is a wasteful number, since it uses less digits than its factorization.

47845939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749.

The product of its digits is 1088640, while the sum is 49.

The square root of 47845939 is about 6917.0758995402. The cubic root of 47845939 is about 363.0348859864.

It can be divided in two parts, 47845 and 939, that added together give a palindrome (48784).

The spelling of 47845939 in words is "forty-seven million, eight hundred forty-five thousand, nine hundred thirty-nine".