847417472 has 96 divisors (see below), whose sum is σ = 1891630800. Its totient is φ = 374912000.

The previous prime is 847417471. The next prime is 847417481. The reversal of 847417472 is 274714748.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (847417471) 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, 8390222 + ... + 8390322.

Almost surely, 2^847417472 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 847417472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (945815400).

847417472 is an abundant number, since it is smaller than the sum of its proper divisors (1044213328).

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

847417472 is a wasteful number, since it uses less digits than its factorization.

847417472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 173 counting only the distinct ones).

The product of its digits is 351232, while the sum is 44.

The square root of 847417472 is about 29110.4357919973. The cubic root of 847417472 is about 946.3079122883.

The spelling of 847417472 in words is "eight hundred forty-seven million, four hundred seventeen thousand, four hundred seventy-two".