3021289 has 4 divisors (see below), whose sum is σ = 3027024. Its totient is φ = 3015556.

The previous prime is 3021241. The next prime is 3021313. The reversal of 3021289 is 9821203.

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 3021289 - 2¹¹ = 3019241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3021089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987 + ... + 3160.

It is an arithmetic number, because the mean of its divisors is an integer number (756756).

Almost surely, 2^3021289 is an apocalyptic number.

It is an amenable number.

3021289 is a deficient number, since it is larger than the sum of its proper divisors (5735).

3021289 is an equidigital number, since it uses as much as digits as its factorization.

3021289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3021289 is about 1738.1855482082. The cubic root of 3021289 is about 144.5653093347.

The spelling of 3021289 in words is "three million, twenty-one thousand, two hundred eighty-nine".