3198633280 has 84 divisors (see below), whose sum is σ = 8039016180. Its totient is φ = 1212069888.

The previous prime is 3198633259. The next prime is 3198633301. The reversal of 3198633280 is 823368913.

It is an interprime number because it is at equal distance from previous prime (3198633259) and next prime (3198633301).

It can be written as a sum of positive squares in 2 ways, for example, as 636653824 + 2561979456 = 25232^2 + 50616^2 .

It is a super-3 number, since 3×3198633280³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101676 + ... + 129364.

Almost surely, 2^3198633280 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 3198633280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4019508090).

3198633280 is an abundant number, since it is smaller than the sum of its proper divisors (4840382900).

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

3198633280 is a wasteful number, since it uses less digits than its factorization.

3198633280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27744 (or 27715 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 3198633280 is about 56556.4609925338. The cubic root of 3198633280 is about 1473.4027762677.

It can be divided in two parts, 3198633 and 280, that added together give a palindrome (3198913).

The spelling of 3198633280 in words is "three billion, one hundred ninety-eight million, six hundred thirty-three thousand, two hundred eighty".