7003828 has 18 divisors (see below), whose sum is σ = 13235586. Its totient is φ = 3223728.

The previous prime is 7003811. The next prime is 7003849. The reversal of 7003828 is 8283007.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4848804 + 2155024 = 2202^2 + 1468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7003796 and 7003805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18901 + ... + 19267.

Almost surely, 2^7003828 is an apocalyptic number.

It is an amenable number.

7003828 is a deficient number, since it is larger than the sum of its proper divisors (6231758).

7003828 is a wasteful number, since it uses less digits than its factorization.

7003828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 7003828 is about 2646.4746361906. The cubic root of 7003828 is about 191.3279819256.

The spelling of 7003828 in words is "seven million, three thousand, eight hundred twenty-eight".