9741981 has 8 divisors (see below), whose sum is σ = 13172544. Its totient is φ = 6403040.

The previous prime is 9741961. The next prime is 9742027. The reversal of 9741981 is 1891479.

It is a happy number.

9741981 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9741981 - 2⁶ = 9741917 is a prime.

It is a super-2 number, since 2×9741981² = 189812387608722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9741911) 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, 22656 + ... + 23081.

It is an arithmetic number, because the mean of its divisors is an integer number (1646568).

Almost surely, 2^9741981 is an apocalyptic number.

It is an amenable number.

9741981 is a deficient number, since it is larger than the sum of its proper divisors (3430563).

9741981 is a wasteful number, since it uses less digits than its factorization.

9741981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45811.

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

The square root of 9741981 is about 3121.2146674011. The cubic root of 9741981 is about 213.5743497303.

The spelling of 9741981 in words is "nine million, seven hundred forty-one thousand, nine hundred eighty-one".