870868224 has 54 divisors (see below), whose sum is σ = 2510934426. Its totient is φ = 290288640.

The previous prime is 870868181. The next prime is 870868237. The reversal of 870868224 is 422868078.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 555450624 + 315417600 = 23568^2 + 17760^2 .

It is a super-3 number, since 3×870868224³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 870868224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186687 + ... + 191294.

Almost surely, 2^870868224 is an apocalyptic number.

It is an amenable number.

870868224 is an abundant number, since it is smaller than the sum of its proper divisors (1640066202).

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

870868224 is a wasteful number, since it uses less digits than its factorization.

870868224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378003 (or 377986 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 870868224 is about 29510.4765125879. The cubic root of 870868224 is about 954.9577291854.

The spelling of 870868224 in words is "eight hundred seventy million, eight hundred sixty-eight thousand, two hundred twenty-four".