9490820 has 12 divisors (see below), whose sum is σ = 19930764. Its totient is φ = 3796320.

The previous prime is 9490813. The next prime is 9490847. The reversal of 9490820 is 280949.

It can be written as a sum of positive squares in 2 ways, for example, as 1459264 + 8031556 = 1208^2 + 2834^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 237251 + ... + 237290.

It is an arithmetic number, because the mean of its divisors is an integer number (1660897).

Almost surely, 2^9490820 is an apocalyptic number.

It is an amenable number.

9490820 is an abundant number, since it is smaller than the sum of its proper divisors (10439944).

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

9490820 is a wasteful number, since it uses less digits than its factorization.

9490820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474550 (or 474548 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 9490820 is about 3080.7174489070. The cubic root of 9490820 is about 211.7229381737.

The spelling of 9490820 in words is "nine million, four hundred ninety thousand, eight hundred twenty".