6899349 has 4 divisors (see below), whose sum is σ = 9199136. Its totient is φ = 4599564.

The previous prime is 6899339. The next prime is 6899351. The reversal of 6899349 is 9439986.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6899349 - 2⁵ = 6899317 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

6899349 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6899298 and 6899307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6899309) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1149889 + ... + 1149894.

It is an arithmetic number, because the mean of its divisors is an integer number (2299784).

Almost surely, 2^6899349 is an apocalyptic number.

It is an amenable number.

6899349 is a deficient number, since it is larger than the sum of its proper divisors (2299787).

6899349 is a wasteful number, since it uses less digits than its factorization.

6899349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299786.

The product of its digits is 419904, while the sum is 48.

The square root of 6899349 is about 2626.6611886576. The cubic root of 6899349 is about 190.3718387633.

The spelling of 6899349 in words is "six million, eight hundred ninety-nine thousand, three hundred forty-nine".