869985238 has 16 divisors (see below), whose sum is σ = 1324045296. Its totient is φ = 428647680.

The previous prime is 869985229. The next prime is 869985241. The reversal of 869985238 is 832589968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227470 + ... + 231262.

It is an arithmetic number, because the mean of its divisors is an integer number (82752831).

Almost surely, 2^869985238 is an apocalyptic number.

869985238 is a deficient number, since it is larger than the sum of its proper divisors (454060058).

869985238 is a wasteful number, since it uses less digits than its factorization.

869985238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439.

The product of its digits is 7464960, while the sum is 58.

The square root of 869985238 is about 29495.5121671077. The cubic root of 869985238 is about 954.6348715186.

The spelling of 869985238 in words is "eight hundred sixty-nine million, nine hundred eighty-five thousand, two hundred thirty-eight".