47816628 has 48 divisors (see below), whose sum is σ = 113762880. Its totient is φ = 15629824.

The previous prime is 47816611. The next prime is 47816641. The reversal of 47816628 is 82661874.

It is a self number, because there is not a number n which added to its sum of digits gives 47816628.

It is a congruent number.

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, 242626 + ... + 242822.

It is an arithmetic number, because the mean of its divisors is an integer number (2370060).

Almost surely, 2^47816628 is an apocalyptic number.

It is an amenable number.

47816628 is an abundant number, since it is smaller than the sum of its proper divisors (65946252).

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

47816628 is a wasteful number, since it uses less digits than its factorization.

47816628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 494 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 47816628 is about 6914.9568328371. The cubic root of 47816628 is about 362.9607376579.

The spelling of 47816628 in words is "forty-seven million, eight hundred sixteen thousand, six hundred twenty-eight".