869247216 has 60 divisors (see below), whose sum is σ = 2498448472. Its totient is φ = 281916288.

The previous prime is 869247209. The next prime is 869247217. The reversal of 869247216 is 612742968.

It is a happy number.

869247216 is a `hidden beast` number, since 86 + 92 + 472 + 16 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869247217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76246 + ... + 86901.

Almost surely, 2^869247216 is an apocalyptic number.

It is an amenable number.

869247216 is an abundant number, since it is smaller than the sum of its proper divisors (1629201256).

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

869247216 is a wasteful number, since it uses less digits than its factorization.

869247216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163198 (or 163189 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 869247216 is about 29482.9987619984. The cubic root of 869247216 is about 954.3648512835.

The spelling of 869247216 in words is "eight hundred sixty-nine million, two hundred forty-seven thousand, two hundred sixteen".