47385128 has 32 divisors (see below), whose sum is σ = 101865600. Its totient is φ = 20242752.

The previous prime is 47385109. The next prime is 47385131. The reversal of 47385128 is 82158374.

It is a junction number, because it is equal to n+sod(n) for n = 47385091 and 47385100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18926 + ... + 21282.

It is an arithmetic number, because the mean of its divisors is an integer number (3183300).

Almost surely, 2^47385128 is an apocalyptic number.

It is an amenable number.

47385128 is an abundant number, since it is smaller than the sum of its proper divisors (54480472).

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

47385128 is a wasteful number, since it uses less digits than its factorization.

47385128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729 (or 2725 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 47385128 is about 6883.6856407015. The cubic root of 47385128 is about 361.8656441055.

The spelling of 47385128 in words is "forty-seven million, three hundred eighty-five thousand, one hundred twenty-eight".