867973 has 4 divisors (see below), whose sum is σ = 879040. Its totient is φ = 856908.

The previous prime is 867959. The next prime is 867991. The reversal of 867973 is 379768.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-867973 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867913) 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 3 ways as a sum of consecutive naturals, for example, 5415 + ... + 5572.

It is an arithmetic number, because the mean of its divisors is an integer number (219760).

2⁸⁶⁷⁹⁷³ is an apocalyptic number.

It is an amenable number.

867973 is a deficient number, since it is larger than the sum of its proper divisors (11067).

867973 is a wasteful number, since it uses less digits than its factorization.

867973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11066.

The product of its digits is 63504, while the sum is 40.

The square root of 867973 is about 931.6506856113. The cubic root of 867973 is about 95.3898293696.

The spelling of 867973 in words is "eight hundred sixty-seven thousand, nine hundred seventy-three".