389011 has 12 divisors (see below), whose sum is σ = 480168. Its totient is φ = 313152.

The previous prime is 389003. The next prime is 389023. The reversal of 389011 is 110983.

It is not a de Polignac number, because 389011 - 2³ = 389003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389041) 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 11 ways as a sum of consecutive naturals, for example, 600 + ... + 1066.

It is an arithmetic number, because the mean of its divisors is an integer number (40014).

2³⁸⁹⁰¹¹ is an apocalyptic number.

389011 is a deficient number, since it is larger than the sum of its proper divisors (91157).

389011 is a wasteful number, since it uses less digits than its factorization.

389011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 389011 is about 623.7074634795. The cubic root of 389011 is about 72.9996246931. Note that the first 3 decimals are identical.

Adding to 389011 its reverse (110983), we get a palindrome (499994).

The spelling of 389011 in words is "three hundred eighty-nine thousand, eleven".