868426 has 16 divisors (see below), whose sum is σ = 1419264. Its totient is φ = 396144.

The previous prime is 868423. The next prime is 868451. The reversal of 868426 is 624868.

868426 = T₃₅₉ + T₃₆₀ + ... + T₃₇₁.

It is a junction number, because it is equal to n+sod(n) for n = 868391 and 868400.

It is not an unprimeable number, because it can be changed into a prime (868423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3171 + ... + 3433.

It is an arithmetic number, because the mean of its divisors is an integer number (88704).

2⁸⁶⁸⁴²⁶ is an apocalyptic number.

868426 is a deficient number, since it is larger than the sum of its proper divisors (550838).

868426 is a wasteful number, since it uses less digits than its factorization.

868426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405.

The product of its digits is 18432, while the sum is 34.

The square root of 868426 is about 931.8937707700. The cubic root of 868426 is about 95.4064213133.

The spelling of 868426 in words is "eight hundred sixty-eight thousand, four hundred twenty-six".