3028445 has 24 divisors (see below), whose sum is σ = 4333824. Its totient is φ = 2024736.

The previous prime is 3028427. The next prime is 3028453. The reversal of 3028445 is 5448203.

3028445 = 125² + 126² + ... + 222².

It is not a de Polignac number, because 3028445 - 2¹² = 3024349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11384 + ... + 11646.

It is an arithmetic number, because the mean of its divisors is an integer number (180576).

Almost surely, 2^3028445 is an apocalyptic number.

3028445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3028445 is a deficient number, since it is larger than the sum of its proper divisors (1305379).

3028445 is a wasteful number, since it uses less digits than its factorization.

3028445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 3028445 is about 1740.2427991519. The cubic root of 3028445 is about 144.6793548820.

The spelling of 3028445 in words is "three million, twenty-eight thousand, four hundred forty-five".