9803421 has 12 divisors (see below), whose sum is σ = 14649180. Its totient is φ = 6310080.

The previous prime is 9803413. The next prime is 9803429. The reversal of 9803421 is 1243089.

It is an interprime number because it is at equal distance from previous prime (9803413) and next prime (9803429).

It can be written as a sum of positive squares in 2 ways, for example, as 2722500 + 7080921 = 1650^2 + 2661^2 .

It is not a de Polignac number, because 9803421 - 2³ = 9803413 is a prime.

It is a super-2 number, since 2×9803421² = 192214126606482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9803429) 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 in 11 ways as a sum of consecutive naturals, for example, 18520 + ... + 19041.

It is an arithmetic number, because the mean of its divisors is an integer number (1220765).

Almost surely, 2^9803421 is an apocalyptic number.

It is an amenable number.

9803421 is a deficient number, since it is larger than the sum of its proper divisors (4845759).

9803421 is a wasteful number, since it uses less digits than its factorization.

9803421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37596 (or 37593 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 9803421 is about 3131.0415200058. The cubic root of 9803421 is about 214.0223940812.

The spelling of 9803421 in words is "nine million, eight hundred three thousand, four hundred twenty-one".