47998332 has 144 divisors (see below), whose sum is σ = 139426560. Its totient is φ = 14370048.

The previous prime is 47998273. The next prime is 47998333. The reversal of 47998332 is 23389974.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47998333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 424708 + ... + 424820.

It is an arithmetic number, because the mean of its divisors is an integer number (968240).

Almost surely, 2^47998332 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 47998332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69713280).

47998332 is an abundant number, since it is smaller than the sum of its proper divisors (91428228).

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

47998332 is a wasteful number, since it uses less digits than its factorization.

47998332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 160 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 47998332 is about 6928.0828516986. The cubic root of 47998332 is about 363.4199088550.

It can be divided in two parts, 4799 and 8332, that added together give a palindrome (13131).

The spelling of 47998332 in words is "forty-seven million, nine hundred ninety-eight thousand, three hundred thirty-two".