47849984 has 120 divisors (see below), whose sum is σ = 119813760. Its totient is φ = 18690048.

The previous prime is 47849983. The next prime is 47849987. The reversal of 47849984 is 48994874.

It is not an unprimeable number, because it can be changed into a prime (47849981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 605657 + ... + 605735.

It is an arithmetic number, because the mean of its divisors is an integer number (998448).

Almost surely, 2^47849984 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 47849984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59906880).

47849984 is an abundant number, since it is smaller than the sum of its proper divisors (71963776).

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

47849984 is an equidigital number, since it uses as much as digits as its factorization.

47849984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 101 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 47849984 is about 6917.3682856994. The cubic root of 47849984 is about 363.0451162850.

The spelling of 47849984 in words is "forty-seven million, eight hundred forty-nine thousand, nine hundred eighty-four".