47446 has 8 divisors (see below), whose sum is σ = 81360. Its totient is φ = 20328.

The previous prime is 47441. The next prime is 47459. The reversal of 47446 is 64474.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×47446³ = 320420333617608, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 47446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1681 + ... + 1708.

It is an arithmetic number, because the mean of its divisors is an integer number (10170).

2⁴⁷⁴⁴⁶ is an apocalyptic number.

47446 is a deficient number, since it is larger than the sum of its proper divisors (33914).

47446 is a wasteful number, since it uses less digits than its factorization.

47446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398.

The product of its digits is 2688, while the sum is 25.

The square root of 47446 is about 217.8210274514. The cubic root of 47446 is about 36.2020531379.

The spelling of 47446 in words is "forty-seven thousand, four hundred forty-six".