686873448 has 96 divisors (see below), whose sum is σ = 1927411200. Its totient is φ = 220752000.

The previous prime is 686873441. The next prime is 686873483. The reversal of 686873448 is 844378686.

686873448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 686873394 and 686873403.

It is not an unprimeable number, because it can be changed into a prime (686873441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 979498 + ... + 980198.

It is an arithmetic number, because the mean of its divisors is an integer number (20077200).

Almost surely, 2^686873448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 686873448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (963705600).

686873448 is an abundant number, since it is smaller than the sum of its proper divisors (1240537752).

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

686873448 is a wasteful number, since it uses less digits than its factorization.

686873448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183 (or 1176 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The square root of 686873448 is about 26208.2706029986. The cubic root of 686873448 is about 882.3188875767.

The spelling of 686873448 in words is "six hundred eighty-six million, eight hundred seventy-three thousand, four hundred forty-eight".