47989624 has 8 divisors (see below), whose sum is σ = 89980560. Its totient is φ = 23994808.

The previous prime is 47989619. The next prime is 47989633. The reversal of 47989624 is 42698974.

47989624 is nontrivially palindromic in base 15.

47989624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×47989624² = 4606008023322752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2999344 + ... + 2999359.

It is an arithmetic number, because the mean of its divisors is an integer number (11247570).

Almost surely, 2^47989624 is an apocalyptic number.

It is an amenable number.

47989624 is a deficient number, since it is larger than the sum of its proper divisors (41990936).

47989624 is a wasteful number, since it uses less digits than its factorization.

47989624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998709 (or 5998705 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 47989624 is about 6927.4543665043. The cubic root of 47989624 is about 363.3979299525.

The spelling of 47989624 in words is "forty-seven million, nine hundred eighty-nine thousand, six hundred twenty-four".