6905349 has 36 divisors (see below), whose sum is σ = 11639628. Its totient is φ = 3928320.

The previous prime is 6905329. The next prime is 6905357. The reversal of 6905349 is 9435096.

6905349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4601025 + 2304324 = 2145^2 + 1518^2 .

It is not a de Polignac number, because 6905349 - 2¹¹ = 6903301 is a prime.

6905349 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6905329) 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 35 ways as a sum of consecutive naturals, for example, 18327 + ... + 18699.

It is an arithmetic number, because the mean of its divisors is an integer number (323323).

Almost surely, 2^6905349 is an apocalyptic number.

It is an amenable number.

6905349 is a deficient number, since it is larger than the sum of its proper divisors (4734279).

6905349 is a wasteful number, since it uses less digits than its factorization.

6905349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 6905349 is about 2627.8030748136. The cubic root of 6905349 is about 190.4270082235.

The spelling of 6905349 in words is "six million, nine hundred five thousand, three hundred forty-nine".