9744981 has 4 divisors (see below), whose sum is σ = 12993312. Its totient is φ = 6496652.

The previous prime is 9744979. The next prime is 9744997. The reversal of 9744981 is 1894479.

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 9744981 - 2¹ = 9744979 is a prime.

It is a super-2 number, since 2×9744981² = 189929309380722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9744901) 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, 1624161 + ... + 1624166.

It is an arithmetic number, because the mean of its divisors is an integer number (3248328).

Almost surely, 2^9744981 is an apocalyptic number.

It is an amenable number.

9744981 is a deficient number, since it is larger than the sum of its proper divisors (3248331).

9744981 is a wasteful number, since it uses less digits than its factorization.

9744981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248330.

The product of its digits is 72576, while the sum is 42.

The square root of 9744981 is about 3121.6952125408. The cubic root of 9744981 is about 213.5962705727.

The spelling of 9744981 in words is "nine million, seven hundred forty-four thousand, nine hundred eighty-one".