849823506 has 96 divisors (see below), whose sum is σ = 2248466688. Its totient is φ = 226437120.

The previous prime is 849823477. The next prime is 849823517. The reversal of 849823506 is 605328948.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 240291 + ... + 243801.

It is an arithmetic number, because the mean of its divisors is an integer number (23421528).

Almost surely, 2^849823506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 849823506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124233344).

849823506 is an abundant number, since it is smaller than the sum of its proper divisors (1398643182).

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

849823506 is a wasteful number, since it uses less digits than its factorization.

849823506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 849823506 is about 29151.7324699579. The cubic root of 849823506 is about 947.2026690553.

It can be divided in two parts, 84982 and 3506, that added together give a palindrome (88488).

The spelling of 849823506 in words is "eight hundred forty-nine million, eight hundred twenty-three thousand, five hundred six".