858361 has 8 divisors (see below), whose sum is σ = 1002240. Its totient is φ = 719808.

The previous prime is 858317. The next prime is 858373. The reversal of 858361 is 163858.

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 858361 - 2⁷ = 858233 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (858301) 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, 976 + ... + 1633.

It is an arithmetic number, because the mean of its divisors is an integer number (125280).

2⁸⁵⁸³⁶¹ is an apocalyptic number.

It is an amenable number.

858361 is a deficient number, since it is larger than the sum of its proper divisors (143879).

858361 is a wasteful number, since it uses less digits than its factorization.

858361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663.

The product of its digits is 5760, while the sum is 31.

The square root of 858361 is about 926.4777385345. The cubic root of 858361 is about 95.0364034078.

The spelling of 858361 in words is "eight hundred fifty-eight thousand, three hundred sixty-one".