844460 has 12 divisors (see below), whose sum is σ = 1773408. Its totient is φ = 337776.

The previous prime is 844457. The next prime is 844463. The reversal of 844460 is 64448.

844460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (844457) and next prime (844463).

It is a super-2 number, since 2×844460² = 1426225383200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (844463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21092 + ... + 21131.

It is an arithmetic number, because the mean of its divisors is an integer number (147784).

2⁸⁴⁴⁴⁶⁰ is an apocalyptic number.

It is an amenable number.

844460 is an abundant number, since it is smaller than the sum of its proper divisors (928948).

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

844460 is a wasteful number, since it uses less digits than its factorization.

844460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42232 (or 42230 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 844460 is about 918.9450473233. The cubic root of 844460 is about 94.5205763169.

The spelling of 844460 in words is "eight hundred forty-four thousand, four hundred sixty".