3198240 has 72 divisors (see below), whose sum is σ = 10918908. Its totient is φ = 852480.

The previous prime is 3198199. The next prime is 3198257. The reversal of 3198240 is 428913.

3198240 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 3196944 + 1296 = 1788^2 + 36^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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, 330 + ... + 2550.

Almost surely, 2^3198240 is an apocalyptic number.

3198240 is a gapful number since it is divisible by the number (30) 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 3198240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5459454).

3198240 is an abundant number, since it is smaller than the sum of its proper divisors (7720668).

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

3198240 is a wasteful number, since it uses less digits than its factorization.

3198240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2231 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3198240 is about 1788.3623793851. The cubic root of 3198240 is about 147.3342387601.

The spelling of 3198240 in words is "three million, one hundred ninety-eight thousand, two hundred forty".