3405069 has 12 divisors (see below), whose sum is σ = 4935996. Its totient is φ = 2261952.

The previous prime is 3405037. The next prime is 3405079. The reversal of 3405069 is 9605043.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1855044 + 1550025 = 1362^2 + 1245^2 .

It is not a de Polignac number, because 3405069 - 2⁵ = 3405037 is a prime.

It is a super-2 number, since 2×3405069² = 23188989789522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405019) by changing a digit.

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, 3097 + ... + 4049.

It is an arithmetic number, because the mean of its divisors is an integer number (411333).

Almost surely, 2^3405069 is an apocalyptic number.

It is an amenable number.

3405069 is a deficient number, since it is larger than the sum of its proper divisors (1530927).

3405069 is a wasteful number, since it uses less digits than its factorization.

3405069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3405069 is about 1845.2829051395. The cubic root of 3405069 is about 150.4441502391. Note that the first 3 decimals are identical.

The spelling of 3405069 in words is "three million, four hundred five thousand, sixty-nine".