47660928 has 192 divisors, whose sum is σ = 156978000. Its totient is φ = 12730368.

The previous prime is 47660927. The next prime is 47660929. The reversal of 47660928 is 82906674.

It is an interprime number because it is at equal distance from previous prime (47660927) and next prime (47660929).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 47660928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47660927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319798 + ... + 319946.

Almost surely, 2^47660928 is an apocalyptic number.

47660928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47660928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78489000).

47660928 is an abundant number, since it is smaller than the sum of its proper divisors (109317072).

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

47660928 is a wasteful number, since it uses less digits than its factorization.

47660928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 47660928 is about 6903.6894484037. The cubic root of 47660928 is about 362.5663529747.

The spelling of 47660928 in words is "forty-seven million, six hundred sixty thousand, nine hundred twenty-eight".