6198664 has 8 divisors (see below), whose sum is σ = 11622510. Its totient is φ = 3099328.

The previous prime is 6198653. The next prime is 6198671. The reversal of 6198664 is 4668916.

It can be written as a sum of positive squares in only one way, i.e., 5904900 + 293764 = 2430^2 + 542^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387409 + ... + 387424.

Almost surely, 2^6198664 is an apocalyptic number.

It is an amenable number.

6198664 is a deficient number, since it is larger than the sum of its proper divisors (5423846).

6198664 is a wasteful number, since it uses less digits than its factorization.

6198664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774839 (or 774835 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 6198664 is about 2489.7116298881. The cubic root of 6198664 is about 183.6958586074.

The spelling of 6198664 in words is "six million, one hundred ninety-eight thousand, six hundred sixty-four".