47928832 has 80 divisors (see below), whose sum is σ = 112349952. Its totient is φ = 19998720.

The previous prime is 47928817. The next prime is 47928841. The reversal of 47928832 is 23882974.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

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 7 ways as a sum of consecutive naturals, for example, 153957 + ... + 154267.

Almost surely, 2^47928832 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 47928832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56174976).

47928832 is an abundant number, since it is smaller than the sum of its proper divisors (64421120).

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

47928832 is an equidigital number, since it uses as much as digits as its factorization.

47928832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 363 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 47928832 is about 6923.0652170841. The cubic root of 47928832 is about 363.2444174494.

The spelling of 47928832 in words is "forty-seven million, nine hundred twenty-eight thousand, eight hundred thirty-two".