868436 has 12 divisors (see below), whose sum is σ = 1528800. Its totient is φ = 431640.

The previous prime is 868423. The next prime is 868451. The reversal of 868436 is 634868.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 868396 and 868405.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 251 + ... + 1341.

It is an arithmetic number, because the mean of its divisors is an integer number (127400).

2⁸⁶⁸⁴³⁶ is an apocalyptic number.

It is an amenable number.

868436 is a deficient number, since it is larger than the sum of its proper divisors (660364).

868436 is a wasteful number, since it uses less digits than its factorization.

868436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294 (or 1292 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 868436 is about 931.8991361730. The cubic root of 868436 is about 95.4067875163.

The spelling of 868436 in words is "eight hundred sixty-eight thousand, four hundred thirty-six".