9804981 has 8 divisors (see below), whose sum is σ = 13268704. Its totient is φ = 6438960.

The previous prime is 9804973. The next prime is 9804983. The reversal of 9804981 is 1894089.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9804981 - 2³ = 9804973 is a prime.

It is a super-2 number, since 2×9804981² = 192275304820722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9804983) 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 7 ways as a sum of consecutive naturals, for example, 24190 + ... + 24591.

It is an arithmetic number, because the mean of its divisors is an integer number (1658588).

Almost surely, 2^9804981 is an apocalyptic number.

It is an amenable number.

9804981 is a deficient number, since it is larger than the sum of its proper divisors (3463723).

9804981 is a wasteful number, since it uses less digits than its factorization.

9804981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48851.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 9804981 is about 3131.2906284789. The cubic root of 9804981 is about 214.0337458065.

The spelling of 9804981 in words is "nine million, eight hundred four thousand, nine hundred eighty-one".