3009445 has 4 divisors (see below), whose sum is σ = 3611340. Its totient is φ = 2407552.

The previous prime is 3009443. The next prime is 3009451. The reversal of 3009445 is 5449003.

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 1555009 + 1454436 = 1247^2 + 1206^2 .

It is a cyclic number.

It is not a de Polignac number, because 3009445 - 2¹ = 3009443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3009443) 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, 300940 + ... + 300949.

It is an arithmetic number, because the mean of its divisors is an integer number (902835).

Almost surely, 2^3009445 is an apocalyptic number.

It is an amenable number.

3009445 is a deficient number, since it is larger than the sum of its proper divisors (601895).

3009445 is an equidigital number, since it uses as much as digits as its factorization.

3009445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601894.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3009445 is about 1734.7752015751. The cubic root of 3009445 is about 144.3761545481.

The spelling of 3009445 in words is "three million, nine thousand, four hundred forty-five".