3198847 has 4 divisors (see below), whose sum is σ = 3209256. Its totient is φ = 3188440.

The previous prime is 3198841. The next prime is 3198883. The reversal of 3198847 is 7488913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7488913 = 809 ⋅9257.

It is a cyclic number.

It is not a de Polignac number, because 3198847 - 2⁷ = 3198719 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4729 + ... + 5362.

It is an arithmetic number, because the mean of its divisors is an integer number (802314).

Almost surely, 2^3198847 is an apocalyptic number.

3198847 is a deficient number, since it is larger than the sum of its proper divisors (10409).

3198847 is a wasteful number, since it uses less digits than its factorization.

3198847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10408.

The product of its digits is 48384, while the sum is 40.

The square root of 3198847 is about 1788.5320796676. The cubic root of 3198847 is about 147.3435591182.

The spelling of 3198847 in words is "three million, one hundred ninety-eight thousand, eight hundred forty-seven".