47904000 has 144 divisors (see below), whose sum is σ = 159432000. Its totient is φ = 12748800.

The previous prime is 47903993. The next prime is 47904013. The reversal of 47904000 is 40974.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 95751 + ... + 96249.

Almost surely, 2^47904000 is an apocalyptic number.

47904000 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 47904000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79716000).

47904000 is an abundant number, since it is smaller than the sum of its proper divisors (111528000).

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

47904000 is an equidigital number, since it uses as much as digits as its factorization.

47904000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 47904000 is about 6921.2715594752. The cubic root of 47904000 is about 363.1816741192.

Adding to 47904000 its reverse (40974), we get a palindrome (47944974).

The spelling of 47904000 in words is "forty-seven million, nine hundred four thousand".