3198242140 has 12 divisors (see below), whose sum is σ = 6716308536. Its totient is φ = 1279296848.

The previous prime is 3198242137. The next prime is 3198242141. The reversal of 3198242140 is 412428913.

It is a junction number, because it is equal to n+sod(n) for n = 3198242096 and 3198242105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198242141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79956034 + ... + 79956073.

It is an arithmetic number, because the mean of its divisors is an integer number (559692378).

Almost surely, 2^3198242140 is an apocalyptic number.

It is an amenable number.

3198242140 is an abundant number, since it is smaller than the sum of its proper divisors (3518066396).

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

3198242140 is a wasteful number, since it uses less digits than its factorization.

3198242140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159912116 (or 159912114 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 3198242140 is about 56553.0029264583. The cubic root of 3198242140 is about 1473.3427162146.

The spelling of 3198242140 in words is "three billion, one hundred ninety-eight million, two hundred forty-two thousand, one hundred forty".