3198644 has 6 divisors (see below), whose sum is σ = 5597634. Its totient is φ = 1599320.

The previous prime is 3198619. The next prime is 3198649. The reversal of 3198644 is 4468913.

3198644 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 only one way, i.e., 2496400 + 702244 = 1580^2 + 838^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399827 + ... + 399834.

It is an arithmetic number, because the mean of its divisors is an integer number (932939).

Almost surely, 2^3198644 is an apocalyptic number.

It is an amenable number.

3198644 is a deficient number, since it is larger than the sum of its proper divisors (2398990).

3198644 is a wasteful number, since it uses less digits than its factorization.

3198644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799665 (or 799663 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 3198644 is about 1788.4753283174. The cubic root of 3198644 is about 147.3404422269.

The spelling of 3198644 in words is "three million, one hundred ninety-eight thousand, six hundred forty-four".