3028840 has 16 divisors (see below), whose sum is σ = 6814980. Its totient is φ = 1211520.

The previous prime is 3028819. The next prime is 3028841. The reversal of 3028840 is 488203.

It can be written as a sum of positive squares in 2 ways, for example, as 2490084 + 538756 = 1578^2 + 734^2 .

It is not an unprimeable number, because it can be changed into a prime (3028841) 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, 37821 + ... + 37900.

Almost surely, 2^3028840 is an apocalyptic number.

It is an amenable number.

3028840 is an abundant number, since it is smaller than the sum of its proper divisors (3786140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3028840 is a wasteful number, since it uses less digits than its factorization.

3028840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75732 (or 75728 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 3028840 is about 1740.3562853623. The cubic root of 3028840 is about 144.6856447834.

The spelling of 3028840 in words is "three million, twenty-eight thousand, eight hundred forty".