861367 has 8 divisors (see below), whose sum is σ = 935424. Its totient is φ = 788448.

The previous prime is 861361. The next prime is 861391. The reversal of 861367 is 763168.

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 861367 - 2⁷ = 861239 is a prime.

It is a Duffinian number.

861367 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 861367.

It is not an unprimeable number, because it can be changed into a prime (861361) 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, 2058 + ... + 2440.

It is an arithmetic number, because the mean of its divisors is an integer number (116928).

2⁸⁶¹³⁶⁷ is an apocalyptic number.

861367 is a deficient number, since it is larger than the sum of its proper divisors (74057).

861367 is a wasteful number, since it uses less digits than its factorization.

861367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its digits is 6048, while the sum is 31.

The square root of 861367 is about 928.0985939005. The cubic root of 861367 is about 95.1472140460.

The spelling of 861367 in words is "eight hundred sixty-one thousand, three hundred sixty-seven".