849818436 has 48 divisors (see below), whose sum is σ = 2058772800. Its totient is φ = 272506752.

The previous prime is 849818429. The next prime is 849818441. The reversal of 849818436 is 634818948.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94170 + ... + 102798.

It is an arithmetic number, because the mean of its divisors is an integer number (42891100).

Almost surely, 2^849818436 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 849818436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029386400).

849818436 is an abundant number, since it is smaller than the sum of its proper divisors (1208954364).

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

849818436 is a wasteful number, since it uses less digits than its factorization.

849818436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948 (or 8946 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 849818436 is about 29151.6455110170. The cubic root of 849818436 is about 947.2007853986.

The spelling of 849818436 in words is "eight hundred forty-nine million, eight hundred eighteen thousand, four hundred thirty-six".