3198742 has 8 divisors (see below), whose sum is σ = 4808232. Its totient is φ = 1596000.

The previous prime is 3198739. The next prime is 3198743. The reversal of 3198742 is 2478913.

3198742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3198698 and 3198707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198743) 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 3 ways as a sum of consecutive naturals, for example, 259 + ... + 2542.

It is an arithmetic number, because the mean of its divisors is an integer number (601029).

Almost surely, 2^3198742 is an apocalyptic number.

3198742 is a deficient number, since it is larger than the sum of its proper divisors (1609490).

3198742 is a wasteful number, since it uses less digits than its factorization.

3198742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374.

The product of its digits is 12096, while the sum is 34.

The square root of 3198742 is about 1788.5027257458. The cubic root of 3198742 is about 147.3419469495.

The spelling of 3198742 in words is "three million, one hundred ninety-eight thousand, seven hundred forty-two".