384381850 has 12 divisors (see below), whose sum is σ = 714950334. Its totient is φ = 153752720.

The previous prime is 384381791. The next prime is 384381857. The reversal of 384381850 is 58183483.

It can be written as a sum of positive squares in 3 ways, for example, as 363779329 + 20602521 = 19073^2 + 4539^2 .

It is not an unprimeable number, because it can be changed into a prime (384381857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3843769 + ... + 3843868.

Almost surely, 2^384381850 is an apocalyptic number.

384381850 is a deficient number, since it is larger than the sum of its proper divisors (330568484).

384381850 is a wasteful number, since it uses less digits than its factorization.

384381850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7687649 (or 7687644 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 384381850 is about 19605.6586219387. The cubic root of 384381850 is about 727.0890835326.

The spelling of 384381850 in words is "three hundred eighty-four million, three hundred eighty-one thousand, eight hundred fifty".