3023840 has 24 divisors (see below), whose sum is σ = 7144200. Its totient is φ = 1209472.

The previous prime is 3023821. The next prime is 3023843. The reversal of 3023840 is 483203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023843) 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, 9290 + ... + 9609.

It is an arithmetic number, because the mean of its divisors is an integer number (297675).

Almost surely, 2^3023840 is an apocalyptic number.

It is an amenable number.

3023840 is an abundant number, since it is smaller than the sum of its proper divisors (4120360).

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

3023840 is a wasteful number, since it uses less digits than its factorization.

3023840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18914 (or 18906 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3023840 is about 1738.9192045636. The cubic root of 3023840 is about 144.6059853904.

The spelling of 3023840 in words is "three million, twenty-three thousand, eight hundred forty".