47847380 has 48 divisors (see below), whose sum is σ = 116570496. Its totient is φ = 16156800.

The previous prime is 47847323. The next prime is 47847421. The reversal of 47847380 is 8374874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6830 + ... + 11930.

It is an arithmetic number, because the mean of its divisors is an integer number (2428552).

Almost surely, 2^47847380 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 47847380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58285248).

47847380 is an abundant number, since it is smaller than the sum of its proper divisors (68723116).

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

47847380 is a wasteful number, since it uses less digits than its factorization.

47847380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184 (or 5182 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 47847380 is about 6917.1800612677. The cubic root of 47847380 is about 363.0385305173.

The spelling of 47847380 in words is "forty-seven million, eight hundred forty-seven thousand, three hundred eighty".