7028424 has 64 divisors (see below), whose sum is σ = 21033600. Its totient is φ = 2161728.

The previous prime is 7028407. The next prime is 7028431. The reversal of 7028424 is 4248207.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557 + ... + 4059.

It is an arithmetic number, because the mean of its divisors is an integer number (328650).

Almost surely, 2^7028424 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 7028424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10516800).

7028424 is an abundant number, since it is smaller than the sum of its proper divisors (14005176).

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

7028424 is a wasteful number, since it uses less digits than its factorization.

7028424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 7028424 is about 2651.1175002251. The cubic root of 7028424 is about 191.5516884018.

The spelling of 7028424 in words is "seven million, twenty-eight thousand, four hundred twenty-four".