3020864 has 56 divisors (see below), whose sum is σ = 7485888. Its totient is φ = 1175040.

The previous prime is 3020851. The next prime is 3020869. The reversal of 3020864 is 4680203.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (3020869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4622 + ... + 5234.

Almost surely, 2^3020864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3020864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3742944).

3020864 is an abundant number, since it is smaller than the sum of its proper divisors (4465024).

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

3020864 is a wasteful number, since it uses less digits than its factorization.

3020864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 3020864 is about 1738.0632899869. The cubic root of 3020864 is about 144.5585304249.

The spelling of 3020864 in words is "three million, twenty thousand, eight hundred sixty-four".