845472 has 24 divisors (see below), whose sum is σ = 2219616. Its totient is φ = 281792.

The previous prime is 845459. The next prime is 845489. The reversal of 845472 is 274548.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

845472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4308 + ... + 4499.

It is an arithmetic number, because the mean of its divisors is an integer number (92484).

2⁸⁴⁵⁴⁷² is an apocalyptic number.

It is an amenable number.

845472 is an abundant number, since it is smaller than the sum of its proper divisors (1374144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845472 is a wasteful number, since it uses less digits than its factorization.

845472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8820 (or 8812 counting only the distinct ones).

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

The square root of 845472 is about 919.4955138553. The cubic root of 845472 is about 94.5583190313.

The spelling of 845472 in words is "eight hundred forty-five thousand, four hundred seventy-two".