384393149 has 8 divisors (see below), whose sum is σ = 453477888. Its totient is φ = 318851280.

The previous prime is 384393143. The next prime is 384393151. The reversal of 384393149 is 941393483.

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

It is a cyclic number.

It is not a de Polignac number, because 384393149 - 2⁴ = 384393133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384393143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885482 + ... + 885915.

It is an arithmetic number, because the mean of its divisors is an integer number (56684736).

Almost surely, 2^384393149 is an apocalyptic number.

It is an amenable number.

384393149 is a deficient number, since it is larger than the sum of its proper divisors (69084739).

384393149 is a wasteful number, since it uses less digits than its factorization.

384393149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771435.

The product of its digits is 279936, while the sum is 44.

The square root of 384393149 is about 19605.9467764247. The cubic root of 384393149 is about 727.0962077842.

The spelling of 384393149 in words is "three hundred eighty-four million, three hundred ninety-three thousand, one hundred forty-nine".