849643032 has 64 divisors (see below), whose sum is σ = 2437344000. Its totient is φ = 241776000.

The previous prime is 849643031. The next prime is 849643043. The reversal of 849643032 is 230346948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849643031) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32094 + ... + 52242.

It is an arithmetic number, because the mean of its divisors is an integer number (38083500).

Almost surely, 2^849643032 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 849643032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218672000).

849643032 is an abundant number, since it is smaller than the sum of its proper divisors (1587700968).

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

849643032 is a wasteful number, since it uses less digits than its factorization.

849643032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20416 (or 20412 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 849643032 is about 29148.6368806502. The cubic root of 849643032 is about 947.1356129525.

The spelling of 849643032 in words is "eight hundred forty-nine million, six hundred forty-three thousand, thirty-two".