3198697 has 4 divisors (see below), whose sum is σ = 3276756. Its totient is φ = 3120640.

The previous prime is 3198683. The next prime is 3198719. The reversal of 3198697 is 7968913.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44521 + 3154176 = 211^2 + 1776^2 .

It is a cyclic number.

It is not a de Polignac number, because 3198697 - 2¹¹ = 3196649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3198607) 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, 38968 + ... + 39049.

It is an arithmetic number, because the mean of its divisors is an integer number (819189).

Almost surely, 2^3198697 is an apocalyptic number.

It is an amenable number.

3198697 is a deficient number, since it is larger than the sum of its proper divisors (78059).

3198697 is an equidigital number, since it uses as much as digits as its factorization.

3198697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78058.

The product of its digits is 81648, while the sum is 43.

The square root of 3198697 is about 1788.4901453461. The cubic root of 3198697 is about 147.3412560092.

The spelling of 3198697 in words is "three million, one hundred ninety-eight thousand, six hundred ninety-seven".