9791481 has 8 divisors (see below), whose sum is σ = 14920384. Its totient is φ = 5595120.

The previous prime is 9791461. The next prime is 9791521. The reversal of 9791481 is 1841979.

It is a happy number.

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

It is not a de Polignac number, because 9791481 - 2⁹ = 9790969 is a prime.

It is a super-2 number, since 2×9791481² = 191746200346722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

9791481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9791461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233110 + ... + 233151.

It is an arithmetic number, because the mean of its divisors is an integer number (1865048).

Almost surely, 2^9791481 is an apocalyptic number.

It is an amenable number.

9791481 is a deficient number, since it is larger than the sum of its proper divisors (5128903).

9791481 is a wasteful number, since it uses less digits than its factorization.

9791481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466271.

The product of its digits is 18144, while the sum is 39.

The square root of 9791481 is about 3129.1342253090. The cubic root of 9791481 is about 213.9354698146.

The spelling of 9791481 in words is "nine million, seven hundred ninety-one thousand, four hundred eighty-one".