47867984 has 20 divisors (see below), whose sum is σ = 93262260. Its totient is φ = 23800320.

The previous prime is 47867977. The next prime is 47867993. The reversal of 47867984 is 48976874.

It can be written as a sum of positive squares in 2 ways, for example, as 19009600 + 28858384 = 4360^2 + 5372^2 .

It is a congruent number.

It is an unprimeable number.

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, 5369 + ... + 11160.

It is an arithmetic number, because the mean of its divisors is an integer number (4663113).

Almost surely, 2^47867984 is an apocalyptic number.

It is an amenable number.

47867984 is a deficient number, since it is larger than the sum of its proper divisors (45394276).

47867984 is a wasteful number, since it uses less digits than its factorization.

47867984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16718 (or 16712 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The square root of 47867984 is about 6918.6692362043. The cubic root of 47867984 is about 363.0906334918.

The spelling of 47867984 in words is "forty-seven million, eight hundred sixty-seven thousand, nine hundred eighty-four".