867229 has 4 divisors (see below), whose sum is σ = 946080. Its totient is φ = 788380.

The previous prime is 867227. The next prime is 867233. The reversal of 867229 is 922768.

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 not a de Polignac number, because 867229 - 2¹ = 867227 is a prime.

It is a super-2 number, since 2×867229² = 1504172276882, which contains 22 as substring.

It is a Duffinian number.

867229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 867194 and 867203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39409 + ... + 39430.

It is an arithmetic number, because the mean of its divisors is an integer number (236520).

2⁸⁶⁷²²⁹ is an apocalyptic number.

It is an amenable number.

867229 is a deficient number, since it is larger than the sum of its proper divisors (78851).

867229 is a wasteful number, since it uses less digits than its factorization.

867229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78850.

The product of its digits is 12096, while the sum is 34.

The square root of 867229 is about 931.2513087239. The cubic root of 867229 is about 95.3625664937.

The spelling of 867229 in words is "eight hundred sixty-seven thousand, two hundred twenty-nine".