47847646 has 32 divisors (see below), whose sum is σ = 90512640. Its totient is φ = 18427200.

The previous prime is 47847641. The next prime is 47847647. The reversal of 47847646 is 64674874.

It is a junction number, because it is equal to n+sod(n) for n = 47847596 and 47847605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47847641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11961 + ... + 15451.

It is an arithmetic number, because the mean of its divisors is an integer number (2828520).

Almost surely, 2^47847646 is an apocalyptic number.

47847646 is a deficient number, since it is larger than the sum of its proper divisors (42664994).

47847646 is a wasteful number, since it uses less digits than its factorization.

47847646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600.

The product of its digits is 903168, while the sum is 46.

The square root of 47847646 is about 6917.1992887295. The cubic root of 47847646 is about 363.0392032680.

The spelling of 47847646 in words is "forty-seven million, eight hundred forty-seven thousand, six hundred forty-six".