868814244 has 36 divisors (see below), whose sum is σ = 2206038016. Its totient is φ = 288303408.

The previous prime is 868814237. The next prime is 868814249. The reversal of 868814244 is 442418868.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 868814244.

It is not an unprimeable number, because it can be changed into a prime (868814249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46084 + ... + 62139.

Almost surely, 2^868814244 is an apocalyptic number.

It is an amenable number.

868814244 is an abundant number, since it is smaller than the sum of its proper divisors (1337223772).

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

868814244 is a wasteful number, since it uses less digits than its factorization.

868814244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108456 (or 108451 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 868814244 is about 29475.6551072237. The cubic root of 868814244 is about 954.2063686037.

It can be divided in two parts, 86881 and 4244, that added together give a cube (91125 = 45³).

The spelling of 868814244 in words is "eight hundred sixty-eight million, eight hundred fourteen thousand, two hundred forty-four".