9806481 has 16 divisors (see below), whose sum is σ = 14593920. Its totient is φ = 6508080.

The previous prime is 9806477. The next prime is 9806483. The reversal of 9806481 is 1846089.

It is a happy number.

9806481 is a `hidden beast` number, since 9 + 8 + 0 + 648 + 1 = 666.

It is not a de Polignac number, because 9806481 - 2² = 9806477 is a prime.

It is a super-2 number, since 2×9806481² = 192334139206722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9806483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6411 + ... + 7791.

It is an arithmetic number, because the mean of its divisors is an integer number (912120).

Almost surely, 2^9806481 is an apocalyptic number.

It is an amenable number.

9806481 is a deficient number, since it is larger than the sum of its proper divisors (4787439).

9806481 is a wasteful number, since it uses less digits than its factorization.

9806481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 9806481 is about 3131.5301371694. The cubic root of 9806481 is about 214.0446597916.

The spelling of 9806481 in words is "nine million, eight hundred six thousand, four hundred eighty-one".