9748981 has 4 divisors (see below), whose sum is σ = 10635264. Its totient is φ = 8862700.

The previous prime is 9748967. The next prime is 9748993. The reversal of 9748981 is 1898479.

It is a happy number.

9748981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1898479 = 11 ⋅172589.

It is not a de Polignac number, because 9748981 - 2⁹ = 9748469 is a prime.

It is a super-2 number, since 2×9748981² = 190085261076722, which contains 22 as substring.

It is a Duffinian number.

9748981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9748951) 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, 443125 + ... + 443146.

It is an arithmetic number, because the mean of its divisors is an integer number (2658816).

Almost surely, 2^9748981 is an apocalyptic number.

It is an amenable number.

9748981 is a deficient number, since it is larger than the sum of its proper divisors (886283).

9748981 is a wasteful number, since it uses less digits than its factorization.

9748981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886282.

The product of its digits is 145152, while the sum is 46.

The square root of 9748981 is about 3122.3358243469. The cubic root of 9748981 is about 213.6254913654.

The spelling of 9748981 in words is "nine million, seven hundred forty-eight thousand, nine hundred eighty-one".