9801481 has 4 divisors (see below), whose sum is σ = 9911700. Its totient is φ = 9691264.

The previous prime is 9801461. The next prime is 9801523. The reversal of 9801481 is 1841089.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2560000 + 7241481 = 1600^2 + 2691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9801481 is a prime.

It is a super-2 number, since 2×9801481² = 192138059586722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9801431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54976 + ... + 55153.

It is an arithmetic number, because the mean of its divisors is an integer number (2477925).

Almost surely, 2^9801481 is an apocalyptic number.

It is an amenable number.

9801481 is a deficient number, since it is larger than the sum of its proper divisors (110219).

9801481 is a wasteful number, since it uses less digits than its factorization.

9801481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110218.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 9801481 is about 3130.7317036118. The cubic root of 9801481 is about 214.0082755119.

The spelling of 9801481 in words is "nine million, eight hundred one thousand, four hundred eighty-one".