845607 has 16 divisors (see below), whose sum is σ = 1309952. Its totient is φ = 475200.

The previous prime is 845599. The next prime is 845623. The reversal of 845607 is 706548.

It is a happy number.

It is not a de Polignac number, because 845607 - 2³ = 845599 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 845607.

It is not an unprimeable number, because it can be changed into a prime (845657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107 + ... + 1707.

It is an arithmetic number, because the mean of its divisors is an integer number (81872).

2⁸⁴⁵⁶⁰⁷ is an apocalyptic number.

845607 is a deficient number, since it is larger than the sum of its proper divisors (464345).

845607 is a wasteful number, since it uses less digits than its factorization.

845607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 845607 is about 919.5689207449. The cubic root of 845607 is about 94.5633516023.

The spelling of 845607 in words is "eight hundred forty-five thousand, six hundred seven".