7028216 has 16 divisors (see below), whose sum is σ = 14191800. Its totient is φ = 3243744.

The previous prime is 7028213. The next prime is 7028243. The reversal of 7028216 is 6128207.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7028213) 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, 33686 + ... + 33893.

Almost surely, 2^7028216 is an apocalyptic number.

It is an amenable number.

7028216 is an abundant number, since it is smaller than the sum of its proper divisors (7163584).

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

7028216 is a wasteful number, since it uses less digits than its factorization.

7028216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67598 (or 67594 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 7028216 is about 2651.0782711946. The cubic root of 7028216 is about 191.5497987821.

Subtracting from 7028216 its reverse (6128207), we obtain a palindrome (900009).

The spelling of 7028216 in words is "seven million, twenty-eight thousand, two hundred sixteen".