9946981 has 8 divisors (see below), whose sum is σ = 10916064. Its totient is φ = 8988720.

The previous prime is 9946973. The next prime is 9946991. The reversal of 9946981 is 1896499.

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 9946981 - 2³ = 9946973 is a prime.

It is a super-2 number, since 2×9946981² = 197884862028722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9946901) 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, 711 + ... + 4516.

It is an arithmetic number, because the mean of its divisors is an integer number (1364508).

Almost surely, 2^9946981 is an apocalyptic number.

It is an amenable number.

9946981 is a deficient number, since it is larger than the sum of its proper divisors (969083).

9946981 is a wasteful number, since it uses less digits than its factorization.

9946981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411.

The product of its digits is 139968, while the sum is 46.

The square root of 9946981 is about 3153.8834791412. The cubic root of 9946981 is about 215.0620408661.

The spelling of 9946981 in words is "nine million, nine hundred forty-six thousand, nine hundred eighty-one".