47406 has 8 divisors (see below), whose sum is σ = 94824. Its totient is φ = 15800.

The previous prime is 47389. The next prime is 47407. The reversal of 47406 is 60474.

Added to its reverse (60474) it gives a triangular number (107880 = T₄₆₄).

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

47406 is an admirable number.

It is a plaindrome in base 8.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47406.

It is not an unprimeable number, because it can be changed into a prime (47407) by changing a digit.

47406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3945 + ... + 3956.

It is an arithmetic number, because the mean of its divisors is an integer number (11853).

2⁴⁷⁴⁰⁶ is an apocalyptic number.

47406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47412).

47406 is a wasteful number, since it uses less digits than its factorization.

47406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7906.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 47406 is about 217.7291895911. The cubic root of 47406 is about 36.1918767321.

Adding to 47406 its reverse (60474), we get a triangular number (107880 = T₄₆₄).

The spelling of 47406 in words is "forty-seven thousand, four hundred six".