868434 has 64 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 221760.

The previous prime is 868423. The next prime is 868451. The reversal of 868434 is 434868.

It is a super-2 number, since 2×868434² = 1508355224712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 868395 and 868404.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868434.

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 31 ways as a sum of consecutive naturals, for example, 27999 + ... + 28029.

It is an arithmetic number, because the mean of its divisors is an integer number (34560).

2⁸⁶⁸⁴³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105920).

868434 is an abundant number, since it is smaller than the sum of its proper divisors (1343406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868434 is a wasteful number, since it uses less digits than its factorization.

868434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95.

The product of its digits is 18432, while the sum is 33.

The square root of 868434 is about 931.8980630949. The cubic root of 868434 is about 95.4067142759.

The spelling of 868434 in words is "eight hundred sixty-eight thousand, four hundred thirty-four".