849346578 has 48 divisors (see below), whose sum is σ = 1888355040. Its totient is φ = 275752512.

The previous prime is 849346559. The next prime is 849346579. The reversal of 849346578 is 875643948.

It is not an unprimeable number, because it can be changed into a prime (849346579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315225 + ... + 317907.

It is an arithmetic number, because the mean of its divisors is an integer number (39340730).

Almost surely, 2^849346578 is an apocalyptic number.

849346578 is an abundant number, since it is smaller than the sum of its proper divisors (1039008462).

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

849346578 is a wasteful number, since it uses less digits than its factorization.

849346578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143 (or 3140 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 849346578 is about 29143.5512249280. The cubic root of 849346578 is about 947.0254432329.

The spelling of 849346578 in words is "eight hundred forty-nine million, three hundred forty-six thousand, five hundred seventy-eight".