845427 has 24 divisors (see below), whose sum is σ = 1321488. Its totient is φ = 478720.

The previous prime is 845387. The next prime is 845431. The reversal of 845427 is 724548.

845427 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 845427 - 2⁶ = 845363 is a prime.

845427 is a lucky number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 845394 and 845403.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 845427.

It is not an unprimeable number, because it can be changed into a prime (845447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6103 + ... + 6239.

It is an arithmetic number, because the mean of its divisors is an integer number (55062).

2⁸⁴⁵⁴²⁷ is an apocalyptic number.

845427 is a deficient number, since it is larger than the sum of its proper divisors (476061).

845427 is a wasteful number, since it uses less digits than its factorization.

845427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 168 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 845427 is about 919.4710435897. The cubic root of 845427 is about 94.5566413885.

The spelling of 845427 in words is "eight hundred forty-five thousand, four hundred twenty-seven".