47989716 has 12 divisors (see below), whose sum is σ = 111976032. Its totient is φ = 15996568.

The previous prime is 47989709. The next prime is 47989727. The reversal of 47989716 is 61798974.

47989716 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 (12).

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 in 3 ways as a sum of consecutive naturals, for example, 1999560 + ... + 1999583.

It is an arithmetic number, because the mean of its divisors is an integer number (9331336).

Almost surely, 2^47989716 is an apocalyptic number.

It is an amenable number.

47989716 is an abundant number, since it is smaller than the sum of its proper divisors (63986316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47989716 is a wasteful number, since it uses less digits than its factorization.

47989716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999150 (or 3999148 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 47989716 is about 6927.4610067470. The cubic root of 47989716 is about 363.3981621735.

The spelling of 47989716 in words is "forty-seven million, nine hundred eighty-nine thousand, seven hundred sixteen".