47107928 has 16 divisors (see below), whose sum is σ = 100945680. Its totient is φ = 20189088.

The previous prime is 47107903. The next prime is 47107939. The reversal of 47107928 is 82970174.

It is a junction number, because it is equal to n+sod(n) for n = 47107891 and 47107900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420551 + ... + 420662.

It is an arithmetic number, because the mean of its divisors is an integer number (6309105).

Almost surely, 2^47107928 is an apocalyptic number.

It is an amenable number.

47107928 is an abundant number, since it is smaller than the sum of its proper divisors (53837752).

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

47107928 is a wasteful number, since it uses less digits than its factorization.

47107928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841226 (or 841222 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 47107928 is about 6863.5215450962. The cubic root of 47107928 is about 361.1586332795.

The spelling of 47107928 in words is "forty-seven million, one hundred seven thousand, nine hundred twenty-eight".