846623 has 4 divisors (see below), whose sum is σ = 850248. Its totient is φ = 843000.

The previous prime is 846589. The next prime is 846647. The reversal of 846623 is 326648.

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 846623 - 2¹⁰ = 845599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436 + ... + 1937.

It is an arithmetic number, because the mean of its divisors is an integer number (212562).

2⁸⁴⁶⁶²³ is an apocalyptic number.

846623 is a deficient number, since it is larger than the sum of its proper divisors (3625).

846623 is a wasteful number, since it uses less digits than its factorization.

846623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624.

The product of its digits is 6912, while the sum is 29.

The square root of 846623 is about 920.1211876704. The cubic root of 846623 is about 94.6012091856.

The spelling of 846623 in words is "eight hundred forty-six thousand, six hundred twenty-three".