8628881 has 8 divisors (see below), whose sum is σ = 9149184. Its totient is φ = 8123760.

The previous prime is 8628859. The next prime is 8628883. The reversal of 8628881 is 1888268.

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 8628881 - 2¹⁴ = 8612497 is a prime.

It is a super-2 number, since 2×8628881² = 148915174624322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8628883) 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, 2615 + ... + 4908.

It is an arithmetic number, because the mean of its divisors is an integer number (1143648).

Almost surely, 2^8628881 is an apocalyptic number.

It is an amenable number.

8628881 is a deficient number, since it is larger than the sum of its proper divisors (520303).

8628881 is a wasteful number, since it uses less digits than its factorization.

8628881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591.

The product of its digits is 49152, while the sum is 41.

The square root of 8628881 is about 2937.4957021245. The cubic root of 8628881 is about 205.1090516356.

The spelling of 8628881 in words is "eight million, six hundred twenty-eight thousand, eight hundred eighty-one".