384263028 has 30 divisors (see below), whose sum is σ = 1004540306. Its totient is φ = 128087568.

The previous prime is 384263017. The next prime is 384263051. The reversal of 384263028 is 820362483.

It can be written as a sum of positive squares in only one way, i.e., 363359844 + 20903184 = 19062^2 + 4572^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 384262983 and 384263001.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 592675 + ... + 593322.

Almost surely, 2^384263028 is an apocalyptic number.

It is an amenable number.

384263028 is an abundant number, since it is smaller than the sum of its proper divisors (620277278).

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

384263028 is a wasteful number, since it uses less digits than its factorization.

384263028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186013 (or 1186002 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 384263028 is about 19602.6280891109. The cubic root of 384263028 is about 727.0141553652.

The spelling of 384263028 in words is "three hundred eighty-four million, two hundred sixty-three thousand, twenty-eight".