8905665 has 8 divisors (see below), whose sum is σ = 14249088. Its totient is φ = 4749680.

The previous prime is 8905657. The next prime is 8905679. The reversal of 8905665 is 5665098.

8905665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8905665 - 2³ = 8905657 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296841 + ... + 296870.

It is an arithmetic number, because the mean of its divisors is an integer number (1781136).

Almost surely, 2^8905665 is an apocalyptic number.

It is an amenable number.

8905665 is a deficient number, since it is larger than the sum of its proper divisors (5343423).

8905665 is a wasteful number, since it uses less digits than its factorization.

8905665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593719.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 8905665 is about 2984.2360831543. The cubic root of 8905665 is about 207.2790700268.

It can be divided in two parts, 890 and 5665, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 8905665 in words is "eight million, nine hundred five thousand, six hundred sixty-five".