869683349 has 16 divisors (see below), whose sum is σ = 927990000. Its totient is φ = 813550080.

The previous prime is 869683343. The next prime is 869683357. The reversal of 869683349 is 943386968.

869683349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 16459249 + 853224100 = 4057^2 + 29210^2 .

It is a cyclic number.

It is not a de Polignac number, because 869683349 - 2²⁰ = 868634773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 869683294 and 869683303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869683343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174707 + ... + 179615.

It is an arithmetic number, because the mean of its divisors is an integer number (57999375).

Almost surely, 2^869683349 is an apocalyptic number.

It is an amenable number.

869683349 is a deficient number, since it is larger than the sum of its proper divisors (58306651).

869683349 is a wasteful number, since it uses less digits than its factorization.

869683349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128.

The product of its digits is 6718464, while the sum is 56.

The square root of 869683349 is about 29490.3941818349. The cubic root of 869683349 is about 954.5244378026.

The spelling of 869683349 in words is "eight hundred sixty-nine million, six hundred eighty-three thousand, three hundred forty-nine".