3028745 has 8 divisors (see below), whose sum is σ = 3650184. Its totient is φ = 2412544.

The previous prime is 3028721. The next prime is 3028747. The reversal of 3028745 is 5478203.

It is a happy number.

3028745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 644809 + 2383936 = 803^2 + 1544^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3028745 - 2⁶ = 3028681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3028747) 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 7 ways as a sum of consecutive naturals, for example, 107 + ... + 2463.

It is an arithmetic number, because the mean of its divisors is an integer number (456273).

Almost surely, 2^3028745 is an apocalyptic number.

It is an amenable number.

3028745 is a deficient number, since it is larger than the sum of its proper divisors (621439).

3028745 is a wasteful number, since it uses less digits than its factorization.

3028745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 3028745 is about 1740.3289918863. The cubic root of 3028745 is about 144.6841320722.

It can be divided in two parts, 3028 and 745, that added together give a palindrome (3773).

The spelling of 3028745 in words is "three million, twenty-eight thousand, seven hundred forty-five".