47657384 has 8 divisors (see below), whose sum is σ = 89357610. Its totient is φ = 23828688.

The previous prime is 47657383. The next prime is 47657399. The reversal of 47657384 is 48375674.

47657384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 45941284 + 1716100 = 6778^2 + 1310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (47657383) 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 as a sum of consecutive naturals, namely, 2978579 + ... + 2978594.

Almost surely, 2^47657384 is an apocalyptic number.

It is an amenable number.

47657384 is a deficient number, since it is larger than the sum of its proper divisors (41700226).

47657384 is a wasteful number, since it uses less digits than its factorization.

47657384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957179 (or 5957175 counting only the distinct ones).

The product of its digits is 564480, while the sum is 44.

The square root of 47657384 is about 6903.4327692823. The cubic root of 47657384 is about 362.5573661095.

The spelling of 47657384 in words is "forty-seven million, six hundred fifty-seven thousand, three hundred eighty-four".