2905240306 has 8 divisors (see below), whose sum is σ = 4359655980. Its totient is φ = 1452021648.

The previous prime is 2905240301. The next prime is 2905240319. The reversal of 2905240306 is 6030425092.

It can be written as a sum of positive squares in 2 ways, for example, as 2542680625 + 362559681 = 50425^2 + 19041^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2905240301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293161 + ... + 302908.

Almost surely, 2^2905240306 is an apocalyptic number.

2905240306 is a deficient number, since it is larger than the sum of its proper divisors (1454415674).

2905240306 is a wasteful number, since it uses less digits than its factorization.

2905240306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598508.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2905240306 is about 53900.2811309923. The cubic root of 2905240306 is about 1426.9015845895.

Adding to 2905240306 its reverse (6030425092), we get a palindrome (8935665398).

The spelling of 2905240306 in words is "two billion, nine hundred five million, two hundred forty thousand, three hundred six".