9890204 has 6 divisors (see below), whose sum is σ = 17307864. Its totient is φ = 4945100.

The previous prime is 9890201. The next prime is 9890219. The reversal of 9890204 is 4020989.

It is a super-2 number, since 2×9890204² = 195632270323232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9890201) by changing a digit.

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 as a sum of consecutive naturals, namely, 1236272 + ... + 1236279.

It is an arithmetic number, because the mean of its divisors is an integer number (2884644).

Almost surely, 2^9890204 is an apocalyptic number.

It is an amenable number.

9890204 is a deficient number, since it is larger than the sum of its proper divisors (7417660).

9890204 is a wasteful number, since it uses less digits than its factorization.

9890204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472555 (or 2472553 counting only the distinct ones).

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

The square root of 9890204 is about 3144.8694726491. The cubic root of 9890204 is about 214.6520711156.

The spelling of 9890204 in words is "nine million, eight hundred ninety thousand, two hundred four".