3081384 has 24 divisors (see below), whose sum is σ = 8345610. Its totient is φ = 1027104.

The previous prime is 3081373. The next prime is 3081389. The reversal of 3081384 is 4831803.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 1258884 = 1350^2 + 1122^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (3081389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21327 + ... + 21470.

Almost surely, 2^3081384 is an apocalyptic number.

It is an amenable number.

3081384 is an abundant number, since it is smaller than the sum of its proper divisors (5264226).

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

3081384 is a wasteful number, since it uses less digits than its factorization.

3081384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42809 (or 42802 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3081384 is about 1755.3871367878. The cubic root of 3081384 is about 145.5175165789.

The spelling of 3081384 in words is "three million, eighty-one thousand, three hundred eighty-four".