384133930 has 16 divisors (see below), whose sum is σ = 704488104. Its totient is φ = 150754240.

The previous prime is 384133909. The next prime is 384133931. The reversal of 384133930 is 39331483.

It can be written as a sum of positive squares in 4 ways, for example, as 375235641 + 8898289 = 19371^2 + 2983^2 .

It is not an unprimeable number, because it can be changed into a prime (384133931) 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, 361861 + ... + 362920.

Almost surely, 2^384133930 is an apocalyptic number.

384133930 is a deficient number, since it is larger than the sum of its proper divisors (320354174).

384133930 is a wasteful number, since it uses less digits than its factorization.

384133930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724841.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 384133930 is about 19599.3349376962. The cubic root of 384133930 is about 726.9327297276.

The spelling of 384133930 in words is "three hundred eighty-four million, one hundred thirty-three thousand, nine hundred thirty".