3081306 has 32 divisors (see below), whose sum is σ = 6566400. Its totient is φ = 961200.

The previous prime is 3081271. The next prime is 3081311. The reversal of 3081306 is 6031803.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17125 + ... + 17303.

It is an arithmetic number, because the mean of its divisors is an integer number (205200).

Almost surely, 2^3081306 is an apocalyptic number.

3081306 is an abundant number, since it is smaller than the sum of its proper divisors (3485094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3081306 is a wasteful number, since it uses less digits than its factorization.

3081306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3081306 is about 1755.3649193259. The cubic root of 3081306 is about 145.5162887256.

The spelling of 3081306 in words is "three million, eighty-one thousand, three hundred six".