47384880 has 80 divisors (see below), whose sum is σ = 147847680. Its totient is φ = 12553984.

The previous prime is 47384867. The next prime is 47384891. The reversal of 47384880 is 8848374.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×47384880² = 4490653705228800, which contains 22 as substring.

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, 42409 + ... + 43511.

It is an arithmetic number, because the mean of its divisors is an integer number (1848096).

Almost surely, 2^47384880 is an apocalyptic number.

47384880 is a gapful number since it is divisible by the number (40) 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 47384880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73923840).

47384880 is an abundant number, since it is smaller than the sum of its proper divisors (100462800).

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

47384880 is a wasteful number, since it uses less digits than its factorization.

47384880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 47384880 is about 6883.6676270721. The cubic root of 47384880 is about 361.8650128045.

The spelling of 47384880 in words is "forty-seven million, three hundred eighty-four thousand, eight hundred eighty".