5642028 has 96 divisors (see below), whose sum is σ = 17740800. Its totient is φ = 1513728.

The previous prime is 5642027. The next prime is 5642033. The reversal of 5642028 is 8202465.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5641992 and 5642010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642027) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 12633 + ... + 13071.

It is an arithmetic number, because the mean of its divisors is an integer number (184800).

Almost surely, 2^5642028 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 5642028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8870400).

5642028 is an abundant number, since it is smaller than the sum of its proper divisors (12098772).

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

5642028 is a wasteful number, since it uses less digits than its factorization.

5642028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 5642028 is about 2375.2953500565. The cubic root of 5642028 is about 178.0239415678.

The spelling of 5642028 in words is "five million, six hundred forty-two thousand, twenty-eight".