846660 has 48 divisors (see below), whose sum is σ = 2411136. Its totient is φ = 221952.

The previous prime is 846647. The next prime is 846661. The reversal of 846660 is 66648.

It is a happy number.

846660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (846661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6112 + ... + 6248.

It is an arithmetic number, because the mean of its divisors is an integer number (50232).

2⁸⁴⁶⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 846660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1205568).

846660 is an abundant number, since it is smaller than the sum of its proper divisors (1564476).

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

846660 is a wasteful number, since it uses less digits than its factorization.

846660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 846660 is about 920.1412934979. The cubic root of 846660 is about 94.6025872857.

The spelling of 846660 in words is "eight hundred forty-six thousand, six hundred sixty".