47387443 has 8 divisors (see below), whose sum is σ = 48299760. Its totient is φ = 46478880.

The previous prime is 47387413. The next prime is 47387453. The reversal of 47387443 is 34478374.

47387443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47387443 - 2¹⁷ = 47256371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47387396 and 47387405.

It is not an unprimeable number, because it can be changed into a prime (47387413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44133 + ... + 45193.

It is an arithmetic number, because the mean of its divisors is an integer number (6037470).

Almost surely, 2^47387443 is an apocalyptic number.

47387443 is a deficient number, since it is larger than the sum of its proper divisors (912317).

47387443 is a wasteful number, since it uses less digits than its factorization.

47387443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877.

The product of its digits is 225792, while the sum is 40.

The square root of 47387443 is about 6883.8537898477. The cubic root of 47387443 is about 361.8715369905.

The spelling of 47387443 in words is "forty-seven million, three hundred eighty-seven thousand, four hundred forty-three".