9030820 has 12 divisors (see below), whose sum is σ = 18964764. Its totient is φ = 3612320.

The previous prime is 9030811. The next prime is 9030823. The reversal of 9030820 is 280309.

It can be written as a sum of positive squares in 2 ways, for example, as 4901796 + 4129024 = 2214^2 + 2032^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9030791 and 9030800.

It is not an unprimeable number, because it can be changed into a prime (9030823) 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, 225751 + ... + 225790.

It is an arithmetic number, because the mean of its divisors is an integer number (1580397).

Almost surely, 2^9030820 is an apocalyptic number.

It is an amenable number.

9030820 is an abundant number, since it is smaller than the sum of its proper divisors (9933944).

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

9030820 is a wasteful number, since it uses less digits than its factorization.

9030820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451550 (or 451548 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 9030820 is about 3005.1322766228. The cubic root of 9030820 is about 208.2455495053.

The spelling of 9030820 in words is "nine million, thirty thousand, eight hundred twenty".