9628881 has 16 divisors (see below), whose sum is σ = 13654656. Its totient is φ = 6022016.

The previous prime is 9628873. The next prime is 9628889. The reversal of 9628881 is 1888269.

9628881 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9628873) and next prime (9628889).

It is a cyclic number.

It is not a de Polignac number, because 9628881 - 2³ = 9628873 is a prime.

It is a super-2 number, since 2×9628881² = 185430698624322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9628889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2341 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (853416).

Almost surely, 2^9628881 is an apocalyptic number.

It is an amenable number.

9628881 is a deficient number, since it is larger than the sum of its proper divisors (4025775).

9628881 is a wasteful number, since it uses less digits than its factorization.

9628881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its digits is 55296, while the sum is 42.

The square root of 9628881 is about 3103.0438282435. The cubic root of 9628881 is about 212.7446299234.

It can be divided in two parts, 96288 and 81, that added together give a palindrome (96369).

The spelling of 9628881 in words is "nine million, six hundred twenty-eight thousand, eight hundred eighty-one".