844243356 has 48 divisors (see below), whose sum is σ = 2207076480. Its totient is φ = 248915520.

The previous prime is 844243339. The next prime is 844243357. The reversal of 844243356 is 653342448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844243357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81546 + ... + 91313.

It is an arithmetic number, because the mean of its divisors is an integer number (45980760).

Almost surely, 2^844243356 is an apocalyptic number.

It is an amenable number.

844243356 is an abundant number, since it is smaller than the sum of its proper divisors (1362833124).

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

844243356 is a wasteful number, since it uses less digits than its factorization.

844243356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172914 (or 172912 counting only the distinct ones).

The product of its digits is 276480, while the sum is 39.

The square root of 844243356 is about 29055.8661202863. The cubic root of 844243356 is about 945.1249262352.

The spelling of 844243356 in words is "eight hundred forty-four million, two hundred forty-three thousand, three hundred fifty-six".