47686943 has 4 divisors (see below), whose sum is σ = 47793600. Its totient is φ = 47580288.

The previous prime is 47686939. The next prime is 47686949. The reversal of 47686943 is 34968674.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47686943 - 2² = 47686939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47686949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52655 + ... + 53552.

It is an arithmetic number, because the mean of its divisors is an integer number (11948400).

Almost surely, 2^47686943 is an apocalyptic number.

47686943 is a deficient number, since it is larger than the sum of its proper divisors (106657).

47686943 is a wasteful number, since it uses less digits than its factorization.

47686943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106656.

The product of its digits is 870912, while the sum is 47.

The square root of 47686943 is about 6905.5733288410. The cubic root of 47686943 is about 362.6323081044.

It can be divided in two parts, 4768 and 6943, that added together give a palindrome (11711).

The spelling of 47686943 in words is "forty-seven million, six hundred eighty-six thousand, nine hundred forty-three".