846868201 has 3 divisors (see below), whose sum is σ = 846897303. Its totient is φ = 846839100.

The previous prime is 846868193. The next prime is 846868223. The reversal of 846868201 is 102868648.

The square root of 846868201 is 29101.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 7027801 + 839840400 = 2651^2 + 28980^2 .

It is not a de Polignac number, because 846868201 - 2³ = 846868193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (846868271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14551 + ... + 43651.

It is an arithmetic number, because the mean of its divisors is an integer number (282299101).

Almost surely, 2^846868201 is an apocalyptic number.

846868201 is the 29101-st square number.

846868201 is the 14551-st centered octagonal number.

It is an amenable number.

846868201 is a deficient number, since it is larger than the sum of its proper divisors (29102).

846868201 is an frugal number, since it uses more digits than its factorization.

846868201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58202 (or 29101 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The cubic root of 846868201 is about 946.1034118097.

Multiplying 846868201 by its product of nonzero digits (147456), we get a square (124875797446656 = 11174784²).

The spelling of 846868201 in words is "eight hundred forty-six million, eight hundred sixty-eight thousand, two hundred one".