3198140 has 24 divisors (see below), whose sum is σ = 7327152. Its totient is φ = 1162880.

The previous prime is 3198133. The next prime is 3198161. The reversal of 3198140 is 418913.

3198140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7049 + ... + 7488.

It is an arithmetic number, because the mean of its divisors is an integer number (305298).

Almost surely, 2^3198140 is an apocalyptic number.

It is an amenable number.

3198140 is an abundant number, since it is smaller than the sum of its proper divisors (4129012).

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

3198140 is a wasteful number, since it uses less digits than its factorization.

3198140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14557 (or 14555 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 3198140 is about 1788.3344206272. The cubic root of 3198140 is about 147.3327031679.

The spelling of 3198140 in words is "three million, one hundred ninety-eight thousand, one hundred forty".