5645020 has 24 divisors (see below), whose sum is σ = 12552624. Its totient is φ = 2125056.

The previous prime is 5645011. The next prime is 5645047. The reversal of 5645020 is 205465.

It is a junction number, because it is equal to n+sod(n) for n = 5644982 and 5645000.

It is a congruent number.

It is an unprimeable number.

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, 7962 + ... + 8641.

It is an arithmetic number, because the mean of its divisors is an integer number (523026).

Almost surely, 2^5645020 is an apocalyptic number.

It is an amenable number.

5645020 is an abundant number, since it is smaller than the sum of its proper divisors (6907604).

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

5645020 is a wasteful number, since it uses less digits than its factorization.

5645020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16629 (or 16627 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 5645020 is about 2375.9250829940. The cubic root of 5645020 is about 178.0554050478.

The spelling of 5645020 in words is "five million, six hundred forty-five thousand, twenty".