3072389 has 4 divisors (see below), whose sum is σ = 3111360. Its totient is φ = 3033420.

The previous prime is 3072373. The next prime is 3072403. The reversal of 3072389 is 9832703.

3072389 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3072389 - 2⁴ = 3072373 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3074389) 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, 19367 + ... + 19524.

It is an arithmetic number, because the mean of its divisors is an integer number (777840).

Almost surely, 2^3072389 is an apocalyptic number.

It is an amenable number.

3072389 is a deficient number, since it is larger than the sum of its proper divisors (38971).

3072389 is an equidigital number, since it uses as much as digits as its factorization.

3072389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38970.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3072389 is about 1752.8231513761. The cubic root of 3072389 is about 145.3757831043.

The spelling of 3072389 in words is "three million, seventy-two thousand, three hundred eighty-nine".