5645028 has 48 divisors (see below), whose sum is σ = 13942656. Its totient is φ = 1774080.

The previous prime is 5645011. The next prime is 5645047. The reversal of 5645028 is 8205465.

It is a super-2 number, since 2×5645028² = 63732682241568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5644986 and 5645004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31098 + ... + 31278.

It is an arithmetic number, because the mean of its divisors is an integer number (290472).

Almost surely, 2^5645028 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 5645028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6971328).

5645028 is an abundant number, since it is smaller than the sum of its proper divisors (8297628).

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

5645028 is a wasteful number, since it uses less digits than its factorization.

5645028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 5645028 is about 2375.9267665482. The cubic root of 5645028 is about 178.0554891598.

The spelling of 5645028 in words is "five million, six hundred forty-five thousand, twenty-eight".