7003820 has 12 divisors (see below), whose sum is σ = 14708064. Its totient is φ = 2801520.

The previous prime is 7003811. The next prime is 7003849. The reversal of 7003820 is 283007.

7003820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 350191 = 7003820 / (7 + 0 + 0 + 3 + 8 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 7003792 and 7003801.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175076 + ... + 175115.

It is an arithmetic number, because the mean of its divisors is an integer number (1225672).

Almost surely, 2^7003820 is an apocalyptic number.

It is an amenable number.

7003820 is an abundant number, since it is smaller than the sum of its proper divisors (7704244).

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

7003820 is a wasteful number, since it uses less digits than its factorization.

7003820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350200 (or 350198 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 7003820 is about 2646.4731247455. The cubic root of 7003820 is about 191.3279090785.

Adding to 7003820 its reverse (283007), we get a palindrome (7286827).

The spelling of 7003820 in words is "seven million, three thousand, eight hundred twenty".