899011 has 4 divisors (see below), whose sum is σ = 951912. Its totient is φ = 846112.

The previous prime is 899009. The next prime is 899051. The reversal of 899011 is 110998.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 899011 - 2¹ = 899009 is a prime.

It is a Duffinian number.

899011 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (899051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26425 + ... + 26458.

It is an arithmetic number, because the mean of its divisors is an integer number (237978).

2⁸⁹⁹⁰¹¹ is an apocalyptic number.

899011 is a deficient number, since it is larger than the sum of its proper divisors (52901).

899011 is a wasteful number, since it uses less digits than its factorization.

899011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52900.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 899011 is about 948.1619060055. The cubic root of 899011 is about 96.5135599798.

The spelling of 899011 in words is "eight hundred ninety-nine thousand, eleven".