384156382 has 16 divisors (see below), whose sum is σ = 585235872. Its totient is φ = 189100800.

The previous prime is 384156343. The next prime is 384156389. The reversal of 384156382 is 283651483.

It is a super-2 number, since 2×384156382² = 295152251662659848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384156389) 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 7 ways as a sum of consecutive naturals, for example, 28498 + ... + 39754.

It is an arithmetic number, because the mean of its divisors is an integer number (36577242).

Almost surely, 2^384156382 is an apocalyptic number.

384156382 is a deficient number, since it is larger than the sum of its proper divisors (201079490).

384156382 is a wasteful number, since it uses less digits than its factorization.

384156382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11523.

The product of its digits is 138240, while the sum is 40.

The square root of 384156382 is about 19599.9077038643. The cubic root of 384156382 is about 726.9468921281.

The spelling of 384156382 in words is "three hundred eighty-four million, one hundred fifty-six thousand, three hundred eighty-two".