846420 has 24 divisors (see below), whose sum is σ = 2370144. Its totient is φ = 225696.

The previous prime is 846407. The next prime is 846421. The reversal of 846420 is 24648.

846420 = T₄₅₆ + T₄₅₇ + ... + T₄₆₃.

846420 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 not an unprimeable number, because it can be changed into a prime (846421) by changing a digit.

846420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6994 + ... + 7113.

It is an arithmetic number, because the mean of its divisors is an integer number (98756).

2⁸⁴⁶⁴²⁰ is an apocalyptic number.

It is an amenable number.

846420 is an abundant number, since it is smaller than the sum of its proper divisors (1523724).

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

846420 is a wasteful number, since it uses less digits than its factorization.

846420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14119 (or 14117 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 846420 is about 920.0108695010. The cubic root of 846420 is about 94.5936475434.

The spelling of 846420 in words is "eight hundred forty-six thousand, four hundred twenty".