869255246 has 8 divisors (see below), whose sum is σ = 1325258184. Its totient is φ = 427502520.

The previous prime is 869255243. The next prime is 869255269. The reversal of 869255246 is 642552968.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 869255246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869255243) 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 3 ways as a sum of consecutive naturals, for example, 3562400 + ... + 3562643.

It is an arithmetic number, because the mean of its divisors is an integer number (165657273).

Almost surely, 2^869255246 is an apocalyptic number.

869255246 is a deficient number, since it is larger than the sum of its proper divisors (456002938).

869255246 is a wasteful number, since it uses less digits than its factorization.

869255246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125106.

The product of its digits is 1036800, while the sum is 47.

The square root of 869255246 is about 29483.1349418613. The cubic root of 869255246 is about 954.3677900432.

The spelling of 869255246 in words is "eight hundred sixty-nine million, two hundred fifty-five thousand, two hundred forty-six".