47387484 has 48 divisors (see below), whose sum is σ = 124887840. Its totient is φ = 15534720.

The previous prime is 47387453. The next prime is 47387531. The reversal of 47387484 is 48478374.

47387484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 2992 + ... + 10184.

It is an arithmetic number, because the mean of its divisors is an integer number (2601830).

Almost surely, 2^47387484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47387484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62443920).

47387484 is an abundant number, since it is smaller than the sum of its proper divisors (77500356).

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

47387484 is a wasteful number, since it uses less digits than its factorization.

47387484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7267 (or 7259 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 47387484 is about 6883.8567678301. The cubic root of 47387484 is about 361.8716413552.

The spelling of 47387484 in words is "forty-seven million, three hundred eighty-seven thousand, four hundred eighty-four".