8989905 has 16 divisors (see below), whose sum is σ = 14422464. Its totient is φ = 4781760.

The previous prime is 8989873. The next prime is 8989919. The reversal of 8989905 is 5099898.

It is not a de Polignac number, because 8989905 - 2⁵ = 8989873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8295 + ... + 9315.

It is an arithmetic number, because the mean of its divisors is an integer number (901404).

Almost surely, 2^8989905 is an apocalyptic number.

It is an amenable number.

8989905 is a deficient number, since it is larger than the sum of its proper divisors (5432559).

8989905 is a wasteful number, since it uses less digits than its factorization.

8989905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616.

The product of its (nonzero) digits is 233280, while the sum is 48.

The square root of 8989905 is about 2998.3170279342. The cubic root of 8989905 is about 207.9305811860.

The spelling of 8989905 in words is "eight million, nine hundred eighty-nine thousand, nine hundred five".