6899398 has 16 divisors (see below), whose sum is σ = 11566800. Its totient is φ = 3059200.

The previous prime is 6899383. The next prime is 6899423. The reversal of 6899398 is 8939986.

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 2923 + ... + 4726.

It is an arithmetic number, because the mean of its divisors is an integer number (722925).

Almost surely, 2^6899398 is an apocalyptic number.

6899398 is a deficient number, since it is larger than the sum of its proper divisors (4667402).

6899398 is a wasteful number, since it uses less digits than its factorization.

6899398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7703.

The product of its digits is 839808, while the sum is 52.

The square root of 6899398 is about 2626.6705160716. The cubic root of 6899398 is about 190.3722894435.

The spelling of 6899398 in words is "six million, eight hundred ninety-nine thousand, three hundred ninety-eight".