3198549 has 16 divisors (see below), whose sum is σ = 4450304. Its totient is φ = 2041200.

The previous prime is 3198523. The next prime is 3198553. The reversal of 3198549 is 9458913.

3198549 = 2² + 3² + ... + 212².

3198549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3198549 - 2⁷ = 3198421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198599) 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 in 15 ways as a sum of consecutive naturals, for example, 15054 + ... + 15264.

It is an arithmetic number, because the mean of its divisors is an integer number (278144).

Almost surely, 2^3198549 is an apocalyptic number.

It is an amenable number.

3198549 is a deficient number, since it is larger than the sum of its proper divisors (1251755).

3198549 is a wasteful number, since it uses less digits than its factorization.

3198549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its digits is 38880, while the sum is 39.

The square root of 3198549 is about 1788.4487691852. The cubic root of 3198549 is about 147.3389835379.

The spelling of 3198549 in words is "three million, one hundred ninety-eight thousand, five hundred forty-nine".