6809398 has 8 divisors (see below), whose sum is σ = 10543680. Its totient is φ = 3294840.

The previous prime is 6809393. The next prime is 6809423. The reversal of 6809398 is 8939086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6809398² = 92735802244808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6809393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54853 + ... + 54976.

It is an arithmetic number, because the mean of its divisors is an integer number (1317960).

Almost surely, 2^6809398 is an apocalyptic number.

6809398 is a deficient number, since it is larger than the sum of its proper divisors (3734282).

6809398 is a wasteful number, since it uses less digits than its factorization.

6809398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109862.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 6809398 is about 2609.4823241402. The cubic root of 6809398 is about 189.5408859550.

The spelling of 6809398 in words is "six million, eight hundred nine thousand, three hundred ninety-eight".