47847456 has 96 divisors (see below), whose sum is σ = 141523200. Its totient is φ = 15724800.

The previous prime is 47847439. The next prime is 47847461. The reversal of 47847456 is 65474874.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67906 + ... + 68606.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 2^47847456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47847456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70761600).

47847456 is an abundant number, since it is smaller than the sum of its proper divisors (93675744).

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

47847456 is a wasteful number, since it uses less digits than its factorization.

47847456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 785 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 47847456 is about 6917.1855548337. The cubic root of 47847456 is about 363.0387227321.

The spelling of 47847456 in words is "forty-seven million, eight hundred forty-seven thousand, four hundred fifty-six".