849859392 has 56 divisors (see below), whose sum is σ = 2256410016. Its totient is φ = 282300928.

The previous prime is 849859391. The next prime is 849859429. The reversal of 849859392 is 293958948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849859391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48703 + ... + 63809.

It is an arithmetic number, because the mean of its divisors is an integer number (40293036).

Almost surely, 2^849859392 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 849859392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1128205008).

849859392 is an abundant number, since it is smaller than the sum of its proper divisors (1406550624).

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

849859392 is a wasteful number, since it uses less digits than its factorization.

849859392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15415 (or 15405 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 57.

The square root of 849859392 is about 29152.3479671878. The cubic root of 849859392 is about 947.2160015634.

The spelling of 849859392 in words is "eight hundred forty-nine million, eight hundred fifty-nine thousand, three hundred ninety-two".