3198651 has 4 divisors (see below), whose sum is σ = 4264872. Its totient is φ = 2132432.

The previous prime is 3198649. The next prime is 3198653. The reversal of 3198651 is 1568913.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3198649) and next prime (3198653).

It is a cyclic number.

It is not a de Polignac number, because 3198651 - 2¹ = 3198649 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3198653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533106 + ... + 533111.

It is an arithmetic number, because the mean of its divisors is an integer number (1066218).

Almost surely, 2^3198651 is an apocalyptic number.

3198651 is a deficient number, since it is larger than the sum of its proper divisors (1066221).

3198651 is a wasteful number, since it uses less digits than its factorization.

3198651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066220.

The product of its digits is 6480, while the sum is 33.

The square root of 3198651 is about 1788.4772852905. The cubic root of 3198651 is about 147.3405497081.

The spelling of 3198651 in words is "three million, one hundred ninety-eight thousand, six hundred fifty-one".