6600398 has 24 divisors (see below), whose sum is σ = 11770272. Its totient is φ = 2766624.

The previous prime is 6600367. The next prime is 6600421. The reversal of 6600398 is 8930066.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3890 + ... + 5322.

It is an arithmetic number, because the mean of its divisors is an integer number (490428).

Almost surely, 2^6600398 is an apocalyptic number.

6600398 is a deficient number, since it is larger than the sum of its proper divisors (5169874).

6600398 is a wasteful number, since it uses less digits than its factorization.

6600398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1489 counting only the distinct ones).

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

The square root of 6600398 is about 2569.1239752102. The cubic root of 6600398 is about 187.5815159631.

The spelling of 6600398 in words is "six million, six hundred thousand, three hundred ninety-eight".