3009393 has 20 divisors (see below), whose sum is σ = 4586868. Its totient is φ = 1965600.

The previous prime is 3009379. The next prime is 3009397. The reversal of 3009393 is 3939003.

It can be written as a sum of positive squares in 2 ways, for example, as 2396304 + 613089 = 1548^2 + 783^2 .

It is not a de Polignac number, because 3009393 - 2⁵ = 3009361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3009397) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3943 + ... + 4643.

Almost surely, 2^3009393 is an apocalyptic number.

It is an amenable number.

3009393 is a deficient number, since it is larger than the sum of its proper divisors (1577475).

3009393 is an equidigital number, since it uses as much as digits as its factorization.

3009393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 27.

The square root of 3009393 is about 1734.7602139777. The cubic root of 3009393 is about 144.3753229880.

The spelling of 3009393 in words is "three million, nine thousand, three hundred ninety-three".