890011 has 2 divisors, whose sum is σ = 890012. Its totient is φ = 890010.

The previous prime is 890003. The next prime is 890027. The reversal of 890011 is 110098.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 890011 - 2³ = 890003 is a prime.

It is not a weakly prime, because it can be changed into another prime (890111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445005 + 445006.

It is an arithmetic number, because the mean of its divisors is an integer number (445006).

2⁸⁹⁰⁰¹¹ is an apocalyptic number.

890011 is a deficient number, since it is larger than the sum of its proper divisors (1).

890011 is an equidigital number, since it uses as much as digits as its factorization.

890011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 890011 is about 943.4039431760. The cubic root of 890011 is about 96.1904134476.

It can be divided in two parts, 8900 and 11, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 890011 in words is "eight hundred ninety thousand, eleven".