9981473 has 4 divisors (see below), whose sum is σ = 10303488. Its totient is φ = 9659460.

The previous prime is 9981467. The next prime is 9981551. The reversal of 9981473 is 3741899.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9981473 - 2¹⁰ = 9980449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9981473.

It is not an unprimeable number, because it can be changed into a prime (9981463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160961 + ... + 161022.

It is an arithmetic number, because the mean of its divisors is an integer number (2575872).

Almost surely, 2^9981473 is an apocalyptic number.

It is an amenable number.

9981473 is a deficient number, since it is larger than the sum of its proper divisors (322015).

9981473 is a wasteful number, since it uses less digits than its factorization.

9981473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322014.

The product of its digits is 54432, while the sum is 41.

The square root of 9981473 is about 3159.3469261859. The cubic root of 9981473 is about 215.3103360458.

The spelling of 9981473 in words is "nine million, nine hundred eighty-one thousand, four hundred seventy-three".