47645384 has 16 divisors (see below), whose sum is σ = 89433600. Its totient is φ = 23796432.

The previous prime is 47645363. The next prime is 47645387. The reversal of 47645384 is 48354674.

It is not an unprimeable number, because it can be changed into a prime (47645387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5957 + ... + 11435.

It is an arithmetic number, because the mean of its divisors is an integer number (5589600).

Almost surely, 2^47645384 is an apocalyptic number.

It is an amenable number.

47645384 is a deficient number, since it is larger than the sum of its proper divisors (41788216).

47645384 is a wasteful number, since it uses less digits than its factorization.

47645384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6572 (or 6568 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 47645384 is about 6902.5635817427. The cubic root of 47645384 is about 362.5269332347.

The spelling of 47645384 in words is "forty-seven million, six hundred forty-five thousand, three hundred eighty-four".