384689446 has 8 divisors (see below), whose sum is σ = 577838880. Its totient is φ = 192076488.

The previous prime is 384689443. The next prime is 384689489. The reversal of 384689446 is 644986483.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 384689393 and 384689402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384689443) by changing a digit.

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, 132321 + ... + 135196.

It is an arithmetic number, because the mean of its divisors is an integer number (72229860).

Almost surely, 2^384689446 is an apocalyptic number.

384689446 is a deficient number, since it is larger than the sum of its proper divisors (193149434).

384689446 is a wasteful number, since it uses less digits than its factorization.

384689446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268238.

The product of its digits is 3981312, while the sum is 52.

The square root of 384689446 is about 19613.5016251561. The cubic root of 384689446 is about 727.2829793185.

The spelling of 384689446 in words is "three hundred eighty-four million, six hundred eighty-nine thousand, four hundred forty-six".