47783928 has 32 divisors (see below), whose sum is σ = 119682000. Its totient is φ = 15898368.

The previous prime is 47783893. The next prime is 47783929. The reversal of 47783928 is 82938774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47783929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14148 + ... + 17196.

Almost surely, 2^47783928 is an apocalyptic number.

It is an amenable number.

47783928 is an abundant number, since it is smaller than the sum of its proper divisors (71898072).

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

47783928 is a wasteful number, since it uses less digits than its factorization.

47783928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711 (or 3707 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 47783928 is about 6912.5919885380. The cubic root of 47783928 is about 362.8779803746.

The spelling of 47783928 in words is "forty-seven million, seven hundred eighty-three thousand, nine hundred twenty-eight".