3198623 has 4 divisors (see below), whose sum is σ = 3210288. Its totient is φ = 3186960.

The previous prime is 3198619. The next prime is 3198649. The reversal of 3198623 is 3268913.

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

It is a cyclic number.

It is not a de Polignac number, because 3198623 - 2² = 3198619 is a prime.

It is a super-2 number, since 2×3198623² = 20462378192258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3198623.

It is a congruent 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, 5411 + ... + 5972.

It is an arithmetic number, because the mean of its divisors is an integer number (802572).

Almost surely, 2^3198623 is an apocalyptic number.

3198623 is a deficient number, since it is larger than the sum of its proper divisors (11665).

3198623 is a wasteful number, since it uses less digits than its factorization.

3198623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11664.

The product of its digits is 7776, while the sum is 32.

The square root of 3198623 is about 1788.4694573853. The cubic root of 3198623 is about 147.3401197823.

The spelling of 3198623 in words is "three million, one hundred ninety-eight thousand, six hundred twenty-three".