47931324 has 48 divisors (see below), whose sum is σ = 128851968. Its totient is φ = 13583808.

The previous prime is 47931307. The next prime is 47931353. The reversal of 47931324 is 42313974.

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, 8422 + ... + 12914.

It is an arithmetic number, because the mean of its divisors is an integer number (2684416).

Almost surely, 2^47931324 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 47931324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64425984).

47931324 is an abundant number, since it is smaller than the sum of its proper divisors (80920644).

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

47931324 is a wasteful number, since it uses less digits than its factorization.

47931324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634 (or 4632 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 47931324 is about 6923.2451928268. The cubic root of 47931324 is about 363.2507128208.

The spelling of 47931324 in words is "forty-seven million, nine hundred thirty-one thousand, three hundred twenty-four".