683198448 has 80 divisors (see below), whose sum is σ = 1912306176. Its totient is φ = 209341440.

The previous prime is 683198419. The next prime is 683198449. The reversal of 683198448 is 844891386.

683198448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 683198448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683198449) 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, 25353 + ... + 44823.

Almost surely, 2^683198448 is an apocalyptic number.

683198448 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683198448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956153088).

683198448 is an abundant number, since it is smaller than the sum of its proper divisors (1229107728).

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

683198448 is a wasteful number, since it uses less digits than its factorization.

683198448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19542 (or 19536 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 683198448 is about 26138.0651158421. The cubic root of 683198448 is about 880.7425069365.

It can be divided in two parts, 68319 and 8448, that added together give a palindrome (76767).

The spelling of 683198448 in words is "six hundred eighty-three million, one hundred ninety-eight thousand, four hundred forty-eight".