845383 has 8 divisors (see below), whose sum is σ = 1054080. Its totient is φ = 658680.

The previous prime is 845381. The next prime is 845387. The reversal of 845383 is 383548.

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

It is not a de Polignac number, because 845383 - 2¹ = 845381 is a prime.

It is a Duffinian number.

845383 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5413 + ... + 5566.

It is an arithmetic number, because the mean of its divisors is an integer number (131760).

2⁸⁴⁵³⁸³ is an apocalyptic number.

845383 is a deficient number, since it is larger than the sum of its proper divisors (208697).

845383 is a wasteful number, since it uses less digits than its factorization.

845383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10997.

The product of its digits is 11520, while the sum is 31.

The square root of 845383 is about 919.4471164782. The cubic root of 845383 is about 94.5550009692. Note that the first 3 decimals are identical.

The spelling of 845383 in words is "eight hundred forty-five thousand, three hundred eighty-three".