858441 has 8 divisors (see below), whose sum is σ = 1166400. Its totient is φ = 561392.

The previous prime is 858433. The next prime is 858457. The reversal of 858441 is 144858.

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

It is a cyclic number.

It is not a de Polignac number, because 858441 - 2³ = 858433 is a prime.

858441 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 858399 and 858408.

It is not an unprimeable number, because it can be changed into a prime (858241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2541 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

2⁸⁵⁸⁴⁴¹ is an apocalyptic number.

It is an amenable number.

858441 is a deficient number, since it is larger than the sum of its proper divisors (307959).

858441 is a wasteful number, since it uses less digits than its factorization.

858441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455.

The product of its digits is 5120, while the sum is 30.

The square root of 858441 is about 926.5209117985. The cubic root of 858441 is about 95.0393558082.

The spelling of 858441 in words is "eight hundred fifty-eight thousand, four hundred forty-one".