846663 has 4 divisors (see below), whose sum is σ = 1128888. Its totient is φ = 564440.

The previous prime is 846661. The next prime is 846667. The reversal of 846663 is 366648.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 846663 - 2¹ = 846661 is a prime.

It is a D-number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 141108 + ... + 141113.

It is an arithmetic number, because the mean of its divisors is an integer number (282222).

2⁸⁴⁶⁶⁶³ is an apocalyptic number.

846663 is a deficient number, since it is larger than the sum of its proper divisors (282225).

846663 is a wasteful number, since it uses less digits than its factorization.

846663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282224.

The product of its digits is 20736, while the sum is 33.

The square root of 846663 is about 920.1429236809. The cubic root of 846663 is about 94.6026990218.

The spelling of 846663 in words is "eight hundred forty-six thousand, six hundred sixty-three".