47686443 has 16 divisors (see below), whose sum is σ = 73387776. Its totient is φ = 26978400.

The previous prime is 47686433. The next prime is 47686477. The reversal of 47686443 is 34468674.

It is not a de Polignac number, because 47686443 - 2⁴ = 47686427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47686395 and 47686404.

It is not an unprimeable number, because it can be changed into a prime (47686423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9121 + ... + 13362.

It is an arithmetic number, because the mean of its divisors is an integer number (4586736).

Almost surely, 2^47686443 is an apocalyptic number.

47686443 is a deficient number, since it is larger than the sum of its proper divisors (25701333).

47686443 is a wasteful number, since it uses less digits than its factorization.

47686443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22594.

The product of its digits is 387072, while the sum is 42.

The square root of 47686443 is about 6905.5371261039. The cubic root of 47686443 is about 362.6310406939.

It can be divided in two parts, 4768 and 6443, that added together give a palindrome (11211).

The spelling of 47686443 in words is "forty-seven million, six hundred eighty-six thousand, four hundred forty-three".