899305 has 16 divisors (see below), whose sum is σ = 1197504. Its totient is φ = 642880.

The previous prime is 899291. The next prime is 899309. The reversal of 899305 is 503998.

It is not a de Polignac number, because 899305 - 2⁵ = 899273 is a prime.

899305 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (899309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4467 + ... + 4663.

It is an arithmetic number, because the mean of its divisors is an integer number (74844).

2⁸⁹⁹³⁰⁵ is an apocalyptic number.

It is an amenable number.

899305 is a deficient number, since it is larger than the sum of its proper divisors (298199).

899305 is a wasteful number, since it uses less digits than its factorization.

899305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 899305 is about 948.3169301452. The cubic root of 899305 is about 96.5240796487.

The spelling of 899305 in words is "eight hundred ninety-nine thousand, three hundred five".