389230442 has 8 divisors (see below), whose sum is σ = 584733600. Its totient is φ = 194319244.

The previous prime is 389230427. The next prime is 389230477. The reversal of 389230442 is 244032983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146342 + ... + 148977.

It is an arithmetic number, because the mean of its divisors is an integer number (73091700).

Almost surely, 2^389230442 is an apocalyptic number.

389230442 is a deficient number, since it is larger than the sum of its proper divisors (195503158).

389230442 is a wasteful number, since it uses less digits than its factorization.

389230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295980.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 389230442 is about 19728.9239949877. The cubic root of 389230442 is about 730.1334853165.

The spelling of 389230442 in words is "three hundred eighty-nine million, two hundred thirty thousand, four hundred forty-two".