389259463 has 4 divisors (see below), whose sum is σ = 390260520. Its totient is φ = 388258408.

The previous prime is 389259457. The next prime is 389259509. The reversal of 389259463 is 364952983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364952983 = 23 ⋅15867521.

It is a cyclic number.

It is not a de Polignac number, because 389259463 - 2⁹ = 389258951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389259163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499945 + ... + 500722.

It is an arithmetic number, because the mean of its divisors is an integer number (97565130).

Almost surely, 2^389259463 is an apocalyptic number.

389259463 is a deficient number, since it is larger than the sum of its proper divisors (1001057).

389259463 is a wasteful number, since it uses less digits than its factorization.

389259463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001056.

The product of its digits is 1399680, while the sum is 49.

The square root of 389259463 is about 19729.6594750138. The cubic root of 389259463 is about 730.1516311028.

The spelling of 389259463 in words is "three hundred eighty-nine million, two hundred fifty-nine thousand, four hundred sixty-three".