3445385 has 4 divisors (see below), whose sum is σ = 4134468. Its totient is φ = 2756304.

The previous prime is 3445369. The next prime is 3445391. The reversal of 3445385 is 5835443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2050624 + 1394761 = 1432^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 3445385 - 2⁴ = 3445369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344534 + ... + 344543.

It is an arithmetic number, because the mean of its divisors is an integer number (1033617).

Almost surely, 2^3445385 is an apocalyptic number.

It is an amenable number.

3445385 is a deficient number, since it is larger than the sum of its proper divisors (689083).

3445385 is an equidigital number, since it uses as much as digits as its factorization.

3445385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689082.

The product of its digits is 28800, while the sum is 32.

The square root of 3445385 is about 1856.1748301278. The cubic root of 3445385 is about 151.0355748527.

The spelling of 3445385 in words is "three million, four hundred forty-five thousand, three hundred eighty-five".