2830306 has 8 divisors (see below), whose sum is σ = 4325724. Its totient is φ = 1388400.

The previous prime is 2830301. The next prime is 2830349. The reversal of 2830306 is 6030382.

It can be written as a sum of positive squares in 2 ways, for example, as 2772225 + 58081 = 1665^2 + 241^2 .

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 (2830301) 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 3 ways as a sum of consecutive naturals, for example, 13245 + ... + 13456.

2^2830306 is an apocalyptic number.

2830306 is a deficient number, since it is larger than the sum of its proper divisors (1495418).

2830306 is a wasteful number, since it uses less digits than its factorization.

2830306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26756.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2830306 is about 1682.3513307273. The cubic root of 2830306 is about 141.4526638935.

Adding to 2830306 its reverse (6030382), we get a palindrome (8860688).

It can be divided in two parts, 2830 and 306, that added together give a square (3136 = 56²).

The spelling of 2830306 in words is "two million, eight hundred thirty thousand, three hundred six".