3109465 has 4 divisors (see below), whose sum is σ = 3731364. Its totient is φ = 2487568.

The previous prime is 3109451. The next prime is 3109471. The reversal of 3109465 is 5649013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5649013 = 199 ⋅28387.

It can be written as a sum of positive squares in 2 ways, for example, as 1058841 + 2050624 = 1029^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 3109465 - 2¹¹ = 3107417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 310942 + ... + 310951.

It is an arithmetic number, because the mean of its divisors is an integer number (932841).

Almost surely, 2^3109465 is an apocalyptic number.

It is an amenable number.

3109465 is a deficient number, since it is larger than the sum of its proper divisors (621899).

3109465 is an equidigital number, since it uses as much as digits as its factorization.

3109465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621898.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3109465 is about 1763.3675169970. The cubic root of 3109465 is about 145.9582197333.

The spelling of 3109465 in words is "three million, one hundred nine thousand, four hundred sixty-five".