47438648 has 16 divisors (see below), whose sum is σ = 89091960. Its totient is φ = 23680800.

The previous prime is 47438641. The next prime is 47438659. The reversal of 47438648 is 84683474.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47438599 and 47438608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47438641) 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, 803 + ... + 9773.

Almost surely, 2^47438648 is an apocalyptic number.

It is an amenable number.

47438648 is a deficient number, since it is larger than the sum of its proper divisors (41653312).

47438648 is a wasteful number, since it uses less digits than its factorization.

47438648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9638 (or 9634 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The square root of 47438648 is about 6887.5719959939. The cubic root of 47438648 is about 362.0018314367.

The spelling of 47438648 in words is "forty-seven million, four hundred thirty-eight thousand, six hundred forty-eight".