844434 has 24 divisors (see below), whose sum is σ = 1873872. Its totient is φ = 274680.

The previous prime is 844433. The next prime is 844439. The reversal of 844434 is 434448.

It is a junction number, because it is equal to n+sod(n) for n = 844398 and 844407.

It is not an unprimeable number, because it can be changed into a prime (844433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229 + ... + 1319.

It is an arithmetic number, because the mean of its divisors is an integer number (78078).

2⁸⁴⁴⁴³⁴ is an apocalyptic number.

844434 is an abundant number, since it is smaller than the sum of its proper divisors (1029438).

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

844434 is a wasteful number, since it uses less digits than its factorization.

844434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1139 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 844434 is about 918.9309005578. The cubic root of 844434 is about 94.5196062452.

The spelling of 844434 in words is "eight hundred forty-four thousand, four hundred thirty-four".