868381236 has 60 divisors (see below), whose sum is σ = 2280313728. Its totient is φ = 288160848.

The previous prime is 868381229. The next prime is 868381273. The reversal of 868381236 is 632183868.

It is a junction number, because it is equal to n+sod(n) for n = 868381191 and 868381200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67645 + ... + 79451.

Almost surely, 2^868381236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868381236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140156864).

868381236 is an abundant number, since it is smaller than the sum of its proper divisors (1411932492).

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

868381236 is a wasteful number, since it uses less digits than its factorization.

868381236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12050 (or 12039 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 868381236 is about 29468.3090115466. The cubic root of 868381236 is about 954.0478200783.

The spelling of 868381236 in words is "eight hundred sixty-eight million, three hundred eighty-one thousand, two hundred thirty-six".