47938824 has 64 divisors (see below), whose sum is σ = 140184000. Its totient is φ = 15137280.

The previous prime is 47938823. The next prime is 47938841. The reversal of 47938824 is 42883974.

It is a self number, because there is not a number n which added to its sum of digits gives 47938824.

It is not an unprimeable number, because it can be changed into a prime (47938823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737 + ... + 9944.

It is an arithmetic number, because the mean of its divisors is an integer number (2190375).

Almost surely, 2^47938824 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 47938824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70092000).

47938824 is an abundant number, since it is smaller than the sum of its proper divisors (92245176).

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

47938824 is a wasteful number, since it uses less digits than its factorization.

47938824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11715 (or 11705 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 47938824 is about 6923.7868251413. The cubic root of 47938824 is about 363.2696582482.

The spelling of 47938824 in words is "forty-seven million, nine hundred thirty-eight thousand, eight hundred twenty-four".