3198813 has 16 divisors (see below), whose sum is σ = 4420416. Its totient is φ = 2056320.

The previous prime is 3198809. The next prime is 3198827. The reversal of 3198813 is 3188913.

It is not a de Polignac number, because 3198813 - 2² = 3198809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198883) 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 15 ways as a sum of consecutive naturals, for example, 17583 + ... + 17763.

It is an arithmetic number, because the mean of its divisors is an integer number (276276).

Almost surely, 2^3198813 is an apocalyptic number.

It is an amenable number.

3198813 is a deficient number, since it is larger than the sum of its proper divisors (1221603).

3198813 is a wasteful number, since it uses less digits than its factorization.

3198813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its digits is 5184, while the sum is 33.

The square root of 3198813 is about 1788.5225746409. The cubic root of 3198813 is about 147.3430370865.

The spelling of 3198813 in words is "three million, one hundred ninety-eight thousand, eight hundred thirteen".