3028389 has 16 divisors (see below), whose sum is σ = 4970112. Its totient is φ = 1597248.

The previous prime is 3028379. The next prime is 3028423. The reversal of 3028389 is 9838203.

It is not a de Polignac number, because 3028389 - 2⁵ = 3028357 is a prime.

It is a super-2 number, since 2×3028389² = 18342279870642, which contains 22 as substring.

3028389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3028349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5274 + ... + 5819.

It is an arithmetic number, because the mean of its divisors is an integer number (310632).

Almost surely, 2^3028389 is an apocalyptic number.

3028389 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3028389 is a deficient number, since it is larger than the sum of its proper divisors (1941723).

3028389 is a wasteful number, since it uses less digits than its factorization.

3028389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11116.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 3028389 is about 1740.2267093686. The cubic root of 3028389 is about 144.6784631049.

The spelling of 3028389 in words is "three million, twenty-eight thousand, three hundred eighty-nine".