8811985 has 32 divisors (see below), whose sum is σ = 13208832. Its totient is φ = 5495040.

The previous prime is 8811973. The next prime is 8811997. The reversal of 8811985 is 5891188.

8811985 is digitally balanced in base 2, because in such base 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 (8811973) and next prime (8811997).

It is not a de Polignac number, because 8811985 - 2¹¹ = 8809937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48595 + ... + 48775.

It is an arithmetic number, because the mean of its divisors is an integer number (412776).

Almost surely, 2^8811985 is an apocalyptic number.

It is an amenable number.

8811985 is a deficient number, since it is larger than the sum of its proper divisors (4396847).

8811985 is a wasteful number, since it uses less digits than its factorization.

8811985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its digits is 23040, while the sum is 40.

The square root of 8811985 is about 2968.4987788443. The cubic root of 8811985 is about 206.5497069161.

The spelling of 8811985 in words is "eight million, eight hundred eleven thousand, nine hundred eighty-five".