844402 has 16 divisors (see below), whose sum is σ = 1395072. Its totient is φ = 380880.

The previous prime is 844369. The next prime is 844421. The reversal of 844402 is 204448.

844402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (87192).

2⁸⁴⁴⁴⁰² is an apocalyptic number.

844402 is a deficient number, since it is larger than the sum of its proper divisors (550670).

844402 is a wasteful number, since it uses less digits than its factorization.

844402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 844402 is about 918.9134888552. The cubic root of 844402 is about 94.5184122835.

It can be divided in two parts, 8 and 44402, that multiplied together give a square (355216 = 596²).

The spelling of 844402 in words is "eight hundred forty-four thousand, four hundred two".