3405469 has 4 divisors (see below), whose sum is σ = 3413980. Its totient is φ = 3396960.

The previous prime is 3405463. The next prime is 3405473. The reversal of 3405469 is 9645043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9645043 = 311 ⋅31013.

It can be written as a sum of positive squares in 2 ways, for example, as 27225 + 3378244 = 165^2 + 1838^2 .

It is a cyclic number.

It is not a de Polignac number, because 3405469 - 2¹⁹ = 2881181 is a prime.

It is a super-2 number, since 2×3405469² = 23194438219922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3405469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405463) 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, 3624 + ... + 4465.

It is an arithmetic number, because the mean of its divisors is an integer number (853495).

Almost surely, 2^3405469 is an apocalyptic number.

It is an amenable number.

3405469 is a deficient number, since it is larger than the sum of its proper divisors (8511).

3405469 is an equidigital number, since it uses as much as digits as its factorization.

3405469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3405469 is about 1845.3912864214. The cubic root of 3405469 is about 150.4500409962.

The spelling of 3405469 in words is "three million, four hundred five thousand, four hundred sixty-nine".