847049472 has 108 divisors (see below), whose sum is σ = 2450788704. Its totient is φ = 281364480.

The previous prime is 847049453. The next prime is 847049479. The reversal of 847049472 is 274940748.

It is not an unprimeable number, because it can be changed into a prime (847049479) 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, 992598 + ... + 993450.

It is an arithmetic number, because the mean of its divisors is an integer number (22692488).

Almost surely, 2^847049472 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 847049472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225394352).

847049472 is an abundant number, since it is smaller than the sum of its proper divisors (1603739232).

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

847049472 is a wasteful number, since it uses less digits than its factorization.

847049472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1289 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 847049472 is about 29104.1143483185. The cubic root of 847049472 is about 946.1709110484.

The spelling of 847049472 in words is "eight hundred forty-seven million, forty-nine thousand, four hundred seventy-two".