6619198 has 16 divisors (see below), whose sum is σ = 10301184. Its totient is φ = 3187800.

The previous prime is 6619169. The next prime is 6619211. The reversal of 6619198 is 8919166.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6619198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5773 + ... + 6823.

It is an arithmetic number, because the mean of its divisors is an integer number (643824).

Almost surely, 2^6619198 is an apocalyptic number.

6619198 is a deficient number, since it is larger than the sum of its proper divisors (3681986).

6619198 is a wasteful number, since it uses less digits than its factorization.

6619198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167.

The product of its digits is 23328, while the sum is 40.

The square root of 6619198 is about 2572.7802082572. The cubic root of 6619198 is about 187.7594441004.

Subtracting 6619198 from its reverse (8919166), we obtain a cube (2299968 = 132³).

The spelling of 6619198 in words is "six million, six hundred nineteen thousand, one hundred ninety-eight".