47889792 has 160 divisors (see below), whose sum is σ = 148104000. Its totient is φ = 15344640.

The previous prime is 47889781. The next prime is 47889811. The reversal of 47889792 is 29798874.

47889792 is a `hidden beast` number, since 478 + 89 + 7 + 92 = 666.

47889792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 19 ways as a sum of consecutive naturals, for example, 321334 + ... + 321482.

It is an arithmetic number, because the mean of its divisors is an integer number (925650).

Almost surely, 2^47889792 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 47889792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74052000).

47889792 is an abundant number, since it is smaller than the sum of its proper divisors (100214208).

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

47889792 is a wasteful number, since it uses less digits than its factorization.

47889792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 185 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 47889792 is about 6920.2450823652. The cubic root of 47889792 is about 363.1457648321.

The spelling of 47889792 in words is "forty-seven million, eight hundred eighty-nine thousand, seven hundred ninety-two".