47646 has 12 divisors (see below), whose sum is σ = 103272. Its totient is φ = 15876.

The previous prime is 47639. The next prime is 47653. The reversal of 47646 is 64674.

It is an interprime number because it is at equal distance from previous prime (47639) and next prime (47653).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1306 + ... + 1341.

It is an arithmetic number, because the mean of its divisors is an integer number (8606).

2⁴⁷⁶⁴⁶ is an apocalyptic number.

47646 is an abundant number, since it is smaller than the sum of its proper divisors (55626).

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

47646 is a wasteful number, since it uses less digits than its factorization.

47646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655 (or 2652 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 47646 is about 218.2796371630. The cubic root of 47646 is about 36.2528495580.

The spelling of 47646 in words is "forty-seven thousand, six hundred forty-six".