845488 has 20 divisors (see below), whose sum is σ = 1872400. Its totient is φ = 362304.

The previous prime is 845459. The next prime is 845489. The reversal of 845488 is 884548.

845488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (845489) by changing a digit.

845488 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, 3663 + ... + 3886.

It is an arithmetic number, because the mean of its divisors is an integer number (93620).

2⁸⁴⁵⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

845488 is an abundant number, since it is smaller than the sum of its proper divisors (1026912).

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

845488 is a wasteful number, since it uses less digits than its factorization.

845488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7564 (or 7558 counting only the distinct ones).

The product of its digits is 40960, while the sum is 37.

The square root of 845488 is about 919.5042142372. The cubic root of 845488 is about 94.5589155121.

Subtracting 845488 from its reverse (884548), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 845488 in words is "eight hundred forty-five thousand, four hundred eighty-eight".