845412 has 12 divisors (see below), whose sum is σ = 1972656. Its totient is φ = 281800.

The previous prime is 845387. The next prime is 845431. The reversal of 845412 is 214548.

845412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

845412 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, 35214 + ... + 35237.

It is an arithmetic number, because the mean of its divisors is an integer number (164388).

2⁸⁴⁵⁴¹² is an apocalyptic number.

It is an amenable number.

845412 is an abundant number, since it is smaller than the sum of its proper divisors (1127244).

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

845412 is a wasteful number, since it uses less digits than its factorization.

845412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70458 (or 70456 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 845412 is about 919.4628866898. The cubic root of 845412 is about 94.5560821611.

The spelling of 845412 in words is "eight hundred forty-five thousand, four hundred twelve".