989011 has 2 divisors, whose sum is σ = 989012. Its totient is φ = 989010.

The previous prime is 988979. The next prime is 989029. The reversal of 989011 is 110989.

It is a strong prime.

It is an emirp because it is prime and its reverse (110989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 989011 - 2⁵ = 988979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (989071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494505 + 494506.

It is an arithmetic number, because the mean of its divisors is an integer number (494506).

2⁹⁸⁹⁰¹¹ is an apocalyptic number.

989011 is a deficient number, since it is larger than the sum of its proper divisors (1).

989011 is an equidigital number, since it uses as much as digits as its factorization.

989011 is an evil number, because the sum of its binary digits is even.

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

The square root of 989011 is about 994.4903217226. The cubic root of 989011 is about 99.6323499912.

The spelling of 989011 in words is "nine hundred eighty-nine thousand, eleven".