47398988 has 48 divisors (see below), whose sum is σ = 102763584. Its totient is φ = 18627840.

The previous prime is 47398987. The next prime is 47398991. The reversal of 47398988 is 88989374.

It is not an unprimeable number, because it can be changed into a prime (47398987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71378 + ... + 72038.

It is an arithmetic number, because the mean of its divisors is an integer number (2140908).

Almost surely, 2^47398988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47398988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51381792).

47398988 is an abundant number, since it is smaller than the sum of its proper divisors (55364596).

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

47398988 is a wasteful number, since it uses less digits than its factorization.

47398988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 880 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 56.

The square root of 47398988 is about 6884.6922952300. The cubic root of 47398988 is about 361.9009221848.

The spelling of 47398988 in words is "forty-seven million, three hundred ninety-eight thousand, nine hundred eighty-eight".