849333021 has 8 divisors (see below), whose sum is σ = 1132578720. Its totient is φ = 566154672.

The previous prime is 849333019. The next prime is 849333077. The reversal of 849333021 is 120333948.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 849333021 - 2¹ = 849333019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849332021) 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, 40050 + ... + 57468.

It is an arithmetic number, because the mean of its divisors is an integer number (141572340).

Almost surely, 2^849333021 is an apocalyptic number.

It is an amenable number.

849333021 is a deficient number, since it is larger than the sum of its proper divisors (283245699).

849333021 is a wasteful number, since it uses less digits than its factorization.

849333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33675.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 849333021 is about 29143.3186339511. The cubic root of 849333021 is about 947.0204044998.

Adding to 849333021 its reverse (120333948), we get a palindrome (969666969).

It can be divided in two parts, 8493 and 33021, that added together give a palindrome (41514).

The spelling of 849333021 in words is "eight hundred forty-nine million, three hundred thirty-three thousand, twenty-one".