389226463 has 2 divisors, whose sum is σ = 389226464. Its totient is φ = 389226462.

The previous prime is 389226433. The next prime is 389226479. The reversal of 389226463 is 364622983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 389226463 - 2¹⁷ = 389095391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389226413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194613231 + 194613232.

It is an arithmetic number, because the mean of its divisors is an integer number (194613232).

Almost surely, 2^389226463 is an apocalyptic number.

389226463 is a deficient number, since it is larger than the sum of its proper divisors (1).

389226463 is an equidigital number, since it uses as much as digits as its factorization.

389226463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 43.

The square root of 389226463 is about 19728.8231529405. The cubic root of 389226463 is about 730.1309973208.

The spelling of 389226463 in words is "three hundred eighty-nine million, two hundred twenty-six thousand, four hundred sixty-three".