3083921 has 4 divisors (see below), whose sum is σ = 3115812. Its totient is φ = 3052032.

The previous prime is 3083891. The next prime is 3083929. The reversal of 3083921 is 1293803.

3083921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1293803 = 7 ⋅184829.

It can be written as a sum of positive squares in 2 ways, for example, as 1849600 + 1234321 = 1360^2 + 1111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3083921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3083929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15800 + ... + 15993.

It is an arithmetic number, because the mean of its divisors is an integer number (778953).

Almost surely, 2^3083921 is an apocalyptic number.

It is an amenable number.

3083921 is a deficient number, since it is larger than the sum of its proper divisors (31891).

3083921 is an equidigital number, since it uses as much as digits as its factorization.

3083921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31890.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3083921 is about 1756.1096207242. The cubic root of 3083921 is about 145.5574420006.

It can be divided in two parts, 3083 and 921, that added together give a palindrome (4004).

The spelling of 3083921 in words is "three million, eighty-three thousand, nine hundred twenty-one".