9626981 has 32 divisors (see below), whose sum is σ = 12902400. Its totient is φ = 7112448.

The previous prime is 9626909. The next prime is 9626999. The reversal of 9626981 is 1896269.

9626981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9626981 - 2¹⁸ = 9364837 is a prime.

It is a super-2 number, since 2×9626981² = 185357526348722, 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 (9625981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75740 + ... + 75866.

It is an arithmetic number, because the mean of its divisors is an integer number (403200).

Almost surely, 2^9626981 is an apocalyptic number.

9626981 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9626981 is a deficient number, since it is larger than the sum of its proper divisors (3275419).

9626981 is a wasteful number, since it uses less digits than its factorization.

9626981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 164 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 9626981 is about 3102.7376621300. The cubic root of 9626981 is about 212.7306358644.

The spelling of 9626981 in words is "nine million, six hundred twenty-six thousand, nine hundred eighty-one".