8449395894 has 24 divisors (see below), whose sum is σ = 18382996632. Its totient is φ = 2804777280.

The previous prime is 8449395881. The next prime is 8449395901. The reversal of 8449395894 is 4985939448.

8449395894 is a `hidden beast` number, since 8 + 4 + 49 + 3 + 9 + 589 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 969544 + ... + 978219.

It is an arithmetic number, because the mean of its divisors is an integer number (765958193).

Almost surely, 2^8449395894 is an apocalyptic number.

8449395894 is an abundant number, since it is smaller than the sum of its proper divisors (9933600738).

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

8449395894 is a wasteful number, since it uses less digits than its factorization.

8449395894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948012 (or 1948009 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The square root of 8449395894 is about 91920.5955920652. The cubic root of 8449395894 is about 2036.7695164718.

The spelling of 8449395894 in words is "eight billion, four hundred forty-nine million, three hundred ninety-five thousand, eight hundred ninety-four".