846630 has 48 divisors (see below), whose sum is σ = 2302560. Its totient is φ = 215424.

The previous prime is 846589. The next prime is 846647. The reversal of 846630 is 36648.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 846594 and 846603.

It is a congruent number.

It is an unprimeable number.

846630 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 23 ways as a sum of consecutive naturals, for example, 1866 + ... + 2274.

It is an arithmetic number, because the mean of its divisors is an integer number (47970).

2⁸⁴⁶⁶³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 846630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151280).

846630 is an abundant number, since it is smaller than the sum of its proper divisors (1455930).

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

846630 is a wasteful number, since it uses less digits than its factorization.

846630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 846630 is about 920.1249915093. The cubic root of 846630 is about 94.6014699103.

The spelling of 846630 in words is "eight hundred forty-six thousand, six hundred thirty".