3081393 has 24 divisors (see below), whose sum is σ = 5179200. Its totient is φ = 1728864.

The previous prime is 3081391. The next prime is 3081413. The reversal of 3081393 is 3931803.

It is not a de Polignac number, because 3081393 - 2¹ = 3081391 is a prime.

3081393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3081391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3303 + ... + 4131.

It is an arithmetic number, because the mean of its divisors is an integer number (215800).

Almost surely, 2^3081393 is an apocalyptic number.

It is an amenable number.

3081393 is a deficient number, since it is larger than the sum of its proper divisors (2097807).

3081393 is a wasteful number, since it uses less digits than its factorization.

3081393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3081393 is about 1755.3897003230. The cubic root of 3081393 is about 145.5176582529.

The spelling of 3081393 in words is "three million, eighty-one thousand, three hundred ninety-three".