8881965 has 24 divisors (see below), whose sum is σ = 15894528. Its totient is φ = 4583520.

The previous prime is 8881921. The next prime is 8881969. The reversal of 8881965 is 5691888.

8881965 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 not a de Polignac number, because 8881965 - 2¹³ = 8873773 is a prime.

It is a super-2 number, since 2×8881965² = 157778604522450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8881965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8881969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1789 + ... + 4578.

It is an arithmetic number, because the mean of its divisors is an integer number (662272).

Almost surely, 2^8881965 is an apocalyptic number.

It is an amenable number.

8881965 is a deficient number, since it is larger than the sum of its proper divisors (7012563).

8881965 is a wasteful number, since it uses less digits than its factorization.

8881965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409 (or 6406 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 8881965 is about 2980.2625723248. The cubic root of 8881965 is about 207.0950344275.

The spelling of 8881965 in words is "eight million, eight hundred eighty-one thousand, nine hundred sixty-five".