869449306 has 8 divisors (see below), whose sum is σ = 1422735264. Its totient is φ = 395204220.

The previous prime is 869449283. The next prime is 869449307. The reversal of 869449306 is 603944968.

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 869449306.

It is not an unprimeable number, because it can be changed into a prime (869449307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19760190 + ... + 19760233.

It is an arithmetic number, because the mean of its divisors is an integer number (177841908).

Almost surely, 2^869449306 is an apocalyptic number.

869449306 is a deficient number, since it is larger than the sum of its proper divisors (553285958).

869449306 is a wasteful number, since it uses less digits than its factorization.

869449306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39520436.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 869449306 is about 29486.4257922184. The cubic root of 869449306 is about 954.4388051770.

The spelling of 869449306 in words is "eight hundred sixty-nine million, four hundred forty-nine thousand, three hundred six".