845307 has 6 divisors (see below), whose sum is σ = 1221012. Its totient is φ = 563532.

The previous prime is 845303. The next prime is 845309. The reversal of 845307 is 703548.

It is not a de Polignac number, because 845307 - 2² = 845303 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 845307.

It is not an unprimeable number, because it can be changed into a prime (845303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46953 + ... + 46970.

It is an arithmetic number, because the mean of its divisors is an integer number (203502).

2⁸⁴⁵³⁰⁷ is an apocalyptic number.

845307 is a deficient number, since it is larger than the sum of its proper divisors (375705).

845307 is a wasteful number, since it uses less digits than its factorization.

845307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93929 (or 93926 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 845307 is about 919.4057863642. The cubic root of 845307 is about 94.5521673836.

The spelling of 845307 in words is "eight hundred forty-five thousand, three hundred seven".