389213333 has 2 divisors, whose sum is σ = 389213334. Its totient is φ = 389213332.

The previous prime is 389213327. The next prime is 389213371. The reversal of 389213333 is 333312983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386397649 + 2815684 = 19657^2 + 1678^2 .

It is a cyclic number.

It is not a de Polignac number, because 389213333 - 2⁶ = 389213269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 389213293 and 389213302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389212333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194606666 + 194606667.

It is an arithmetic number, because the mean of its divisors is an integer number (194606667).

Almost surely, 2^389213333 is an apocalyptic number.

It is an amenable number.

389213333 is a deficient number, since it is larger than the sum of its proper divisors (1).

389213333 is an equidigital number, since it uses as much as digits as its factorization.

389213333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 35.

The square root of 389213333 is about 19728.4903882684. The cubic root of 389213333 is about 730.1227872522.

The spelling of 389213333 in words is "three hundred eighty-nine million, two hundred thirteen thousand, three hundred thirty-three".