845306 has 24 divisors (see below), whose sum is σ = 1596000. Its totient is φ = 328680.

The previous prime is 845303. The next prime is 845309. The reversal of 845306 is 603548.

845306 = T₁₀₈ + T₁₀₉ + ... + T₁₈₄.

It is an interprime number because it is at equal distance from previous prime (845303) and next prime (845309).

It is not an unprimeable number, because it can be changed into a prime (845303) 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 11 ways as a sum of consecutive naturals, for example, 1445 + ... + 1943.

It is an arithmetic number, because the mean of its divisors is an integer number (66500).

2⁸⁴⁵³⁰⁶ is an apocalyptic number.

845306 is a deficient number, since it is larger than the sum of its proper divisors (750694).

845306 is a wasteful number, since it uses less digits than its factorization.

845306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 845306 is about 919.4052425345. The cubic root of 845306 is about 94.5521300984.

The spelling of 845306 in words is "eight hundred forty-five thousand, three hundred six".