3309145 has 8 divisors (see below), whose sum is σ = 4538304. Its totient is φ = 2269104.

The previous prime is 3309143. The next prime is 3309149. The reversal of 3309145 is 5419033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3309145 - 2¹ = 3309143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3309143) 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 7 ways as a sum of consecutive naturals, for example, 47239 + ... + 47308.

It is an arithmetic number, because the mean of its divisors is an integer number (567288).

Almost surely, 2^3309145 is an apocalyptic number.

3309145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3309145 is a deficient number, since it is larger than the sum of its proper divisors (1229159).

3309145 is an equidigital number, since it uses as much as digits as its factorization.

3309145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94559.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 3309145 is about 1819.1055494391. The cubic root of 3309145 is about 149.0179549854.

The spelling of 3309145 in words is "three million, three hundred nine thousand, one hundred forty-five".