848639946 has 64 divisors (see below), whose sum is σ = 2119265280. Its totient is φ = 220095360.

The previous prime is 848639941. The next prime is 848639999. The reversal of 848639946 is 649936848.

It is not an unprimeable number, because it can be changed into a prime (848639941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520785 + ... + 522411.

It is an arithmetic number, because the mean of its divisors is an integer number (33113520).

Almost surely, 2^848639946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 848639946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059632640).

848639946 is an abundant number, since it is smaller than the sum of its proper divisors (1270625334).

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

848639946 is a wasteful number, since it uses less digits than its factorization.

848639946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779.

The product of its digits is 8957952, while the sum is 57.

The square root of 848639946 is about 29131.4254028189. The cubic root of 848639946 is about 946.7627376932.

The spelling of 848639946 in words is "eight hundred forty-eight million, six hundred thirty-nine thousand, nine hundred forty-six".