849545632 has 72 divisors (see below), whose sum is σ = 1901325636. Its totient is φ = 371395584.

The previous prime is 849545629. The next prime is 849545647. The reversal of 849545632 is 236545948.

It can be written as a sum of positive squares in 2 ways, for example, as 703522576 + 146023056 = 26524^2 + 12084^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147348 + ... + 153004.

Almost surely, 2^849545632 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 849545632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950662818).

849545632 is an abundant number, since it is smaller than the sum of its proper divisors (1051780004).

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

849545632 is a wasteful number, since it uses less digits than its factorization.

849545632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718 (or 5691 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The square root of 849545632 is about 29146.9660856838. The cubic root of 849545632 is about 947.0994195040.

The spelling of 849545632 in words is "eight hundred forty-nine million, five hundred forty-five thousand, six hundred thirty-two".