849385550 has 36 divisors (see below), whose sum is σ = 1710749880. Its totient is φ = 313616160.

The previous prime is 849385549. The next prime is 849385591. The reversal of 849385550 is 55583948.

It is a junction number, because it is equal to n+sod(n) for n = 849385495 and 849385504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41810 + ... + 58709.

It is an arithmetic number, because the mean of its divisors is an integer number (47520830).

Almost surely, 2^849385550 is an apocalyptic number.

849385550 is an abundant number, since it is smaller than the sum of its proper divisors (861364330).

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

849385550 is a wasteful number, since it uses less digits than its factorization.

849385550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100557 (or 100539 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The square root of 849385550 is about 29144.2198385889. The cubic root of 849385550 is about 947.0399276660.

The spelling of 849385550 in words is "eight hundred forty-nine million, three hundred eighty-five thousand, five hundred fifty".