47631328 has 24 divisors (see below), whose sum is σ = 98710920. Its totient is φ = 22561920.

The previous prime is 47631323. The next prime is 47631341. The reversal of 47631328 is 82313674.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47631293 and 47631302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47631323) 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, 38563 + ... + 39778.

It is an arithmetic number, because the mean of its divisors is an integer number (4112955).

Almost surely, 2^47631328 is an apocalyptic number.

It is an amenable number.

47631328 is an abundant number, since it is smaller than the sum of its proper divisors (51079592).

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

47631328 is a wasteful number, since it uses less digits than its factorization.

47631328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78370 (or 78362 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 47631328 is about 6901.5453341987. The cubic root of 47631328 is about 362.4912796951.

The spelling of 47631328 in words is "forty-seven million, six hundred thirty-one thousand, three hundred twenty-eight".