3198001 has 4 divisors (see below), whose sum is σ = 3201904. Its totient is φ = 3194100.

The previous prime is 3197983. The next prime is 3198007. The reversal of 3198001 is 1008913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3198001 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3198007) 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, 195 + ... + 2536.

It is an arithmetic number, because the mean of its divisors is an integer number (800476).

Almost surely, 2^3198001 is an apocalyptic number.

It is an amenable number.

3198001 is a deficient number, since it is larger than the sum of its proper divisors (3903).

3198001 is a wasteful number, since it uses less digits than its factorization.

3198001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 3198001 is about 1788.2955572276. The cubic root of 3198001 is about 147.3305686415.

The spelling of 3198001 in words is "three million, one hundred ninety-eight thousand, one".