47938392 has 80 divisors (see below), whose sum is σ = 138956400. Its totient is φ = 15422400.

The previous prime is 47938391. The next prime is 47938403. The reversal of 47938392 is 29383974.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47938391) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17517 + ... + 20067.

It is an arithmetic number, because the mean of its divisors is an integer number (1736955).

Almost surely, 2^47938392 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 47938392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69478200).

47938392 is an abundant number, since it is smaller than the sum of its proper divisors (91018008).

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

47938392 is a wasteful number, since it uses less digits than its factorization.

47938392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598 (or 2585 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 47938392 is about 6923.7556282700. The cubic root of 47938392 is about 363.2685670452.

The spelling of 47938392 in words is "forty-seven million, nine hundred thirty-eight thousand, three hundred ninety-two".