845434 has 8 divisors (see below), whose sum is σ = 1323360. Its totient is φ = 404316.

The previous prime is 845431. The next prime is 845441. The reversal of 845434 is 434548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (845431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9144 + ... + 9235.

It is an arithmetic number, because the mean of its divisors is an integer number (165420).

2⁸⁴⁵⁴³⁴ is an apocalyptic number.

845434 is a deficient number, since it is larger than the sum of its proper divisors (477926).

845434 is a wasteful number, since it uses less digits than its factorization.

845434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18404.

The product of its digits is 7680, while the sum is 28.

The square root of 845434 is about 919.4748501183. The cubic root of 845434 is about 94.5569023591.

The spelling of 845434 in words is "eight hundred forty-five thousand, four hundred thirty-four".