47900 has 18 divisors (see below), whose sum is σ = 104160. Its totient is φ = 19120.

The previous prime is 47881. The next prime is 47903. The reversal of 47900 is 974.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47903) 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, 140 + ... + 339.

2⁴⁷⁹⁰⁰ is an apocalyptic number.

It is an amenable number.

47900 is an abundant number, since it is smaller than the sum of its proper divisors (56260).

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

47900 is a wasteful number, since it uses less digits than its factorization.

47900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 47900 is about 218.8606862824. The cubic root of 47900 is about 36.3171565241.

The spelling of 47900 in words is "forty-seven thousand, nine hundred".