384158272 has 28 divisors (see below), whose sum is σ = 782921980. Its totient is φ = 186886656.

The previous prime is 384158249. The next prime is 384158287. The reversal of 384158272 is 272851483.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 364657216 + 19501056 = 19096^2 + 4416^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78747 + ... + 83482.

Almost surely, 2^384158272 is an apocalyptic number.

384158272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

384158272 is an abundant number, since it is smaller than the sum of its proper divisors (398763708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384158272 is a wasteful number, since it uses less digits than its factorization.

384158272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162278 (or 162268 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 384158272 is about 19599.9559183178. The cubic root of 384158272 is about 726.9480842879.

The spelling of 384158272 in words is "three hundred eighty-four million, one hundred fifty-eight thousand, two hundred seventy-two".