47800 has 24 divisors (see below), whose sum is σ = 111600. Its totient is φ = 19040.

The previous prime is 47797. The next prime is 47807. The reversal of 47800 is 874.

It is a happy number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81 + ... + 319.

It is an arithmetic number, because the mean of its divisors is an integer number (4650).

2⁴⁷⁸⁰⁰ is an apocalyptic number.

47800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55800).

47800 is an abundant number, since it is smaller than the sum of its proper divisors (63800).

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

47800 is a wasteful number, since it uses less digits than its factorization.

47800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 47800 is about 218.6321110908. The cubic root of 47800 is about 36.2918660169.

The spelling of 47800 in words is "forty-seven thousand, eight hundred".