846545 has 24 divisors (see below), whose sum is σ = 1243584. Its totient is φ = 541728.

The previous prime is 846529. The next prime is 846563. The reversal of 846545 is 545648.

It is not a de Polignac number, because 846545 - 2⁴ = 846529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 846545.

It is an unprimeable 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, 12602 + ... + 12668.

It is an arithmetic number, because the mean of its divisors is an integer number (51816).

2⁸⁴⁶⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

846545 is a deficient number, since it is larger than the sum of its proper divisors (397039).

846545 is a wasteful number, since it uses less digits than its factorization.

846545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 98 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 846545 is about 920.0788009730. The cubic root of 846545 is about 94.5983038700.

The spelling of 846545 in words is "eight hundred forty-six thousand, five hundred forty-five".