847632340 has 48 divisors (see below), whose sum is σ = 1900660608. Its totient is φ = 316761984.

The previous prime is 847632283. The next prime is 847632347. The reversal of 847632340 is 43236748.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 847632340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847632347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1647 + ... + 41206.

It is an arithmetic number, because the mean of its divisors is an integer number (39597096).

Almost surely, 2^847632340 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 847632340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950330304).

847632340 is an abundant number, since it is smaller than the sum of its proper divisors (1053028268).

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

847632340 is a wasteful number, since it uses less digits than its factorization.

847632340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42928 (or 42926 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 847632340 is about 29114.1261246152. The cubic root of 847632340 is about 946.3878862925.

The spelling of 847632340 in words is "eight hundred forty-seven million, six hundred thirty-two thousand, three hundred forty".