844156 has 6 divisors (see below), whose sum is σ = 1477280. Its totient is φ = 422076.

The previous prime is 844153. The next prime is 844157. The reversal of 844156 is 651448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105516 + ... + 105523.

2⁸⁴⁴¹⁵⁶ is an apocalyptic number.

It is an amenable number.

844156 is a deficient number, since it is larger than the sum of its proper divisors (633124).

844156 is a wasteful number, since it uses less digits than its factorization.

844156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211043 (or 211041 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 844156 is about 918.7796253727. The cubic root of 844156 is about 94.5092326953.

It can be divided in two parts, 844 and 156, that added together give a cube (1000 = 10³).

The spelling of 844156 in words is "eight hundred forty-four thousand, one hundred fifty-six".