389482811 has 2 divisors, whose sum is σ = 389482812. Its totient is φ = 389482810.

The previous prime is 389482771. The next prime is 389482817. The reversal of 389482811 is 118284983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 389482811 - 2⁶ = 389482747 is a prime.

It is a super-3 number, since 3×389482811³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (389482817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194741405 + 194741406.

It is an arithmetic number, because the mean of its divisors is an integer number (194741406).

Almost surely, 2^389482811 is an apocalyptic number.

389482811 is a deficient number, since it is larger than the sum of its proper divisors (1).

389482811 is an equidigital number, since it uses as much as digits as its factorization.

389482811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 44.

The square root of 389482811 is about 19735.3188725189. The cubic root of 389482811 is about 730.2912523939.

It can be divided in two parts, 38 and 9482811, that added together give a palindrome (9482849).

The spelling of 389482811 in words is "three hundred eighty-nine million, four hundred eighty-two thousand, eight hundred eleven".