384170028 has 48 divisors (see below), whose sum is σ = 983598336. Its totient is φ = 115735360.

The previous prime is 384169999. The next prime is 384170053. The reversal of 384170028 is 820071483.

It is a super-2 number, since 2×384170028² = 295173220827041568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14425 + ... + 31247.

It is an arithmetic number, because the mean of its divisors is an integer number (20491632).

Almost surely, 2^384170028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 384170028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491799168).

384170028 is an abundant number, since it is smaller than the sum of its proper divisors (599428308).

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

384170028 is a wasteful number, since it uses less digits than its factorization.

384170028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17014 (or 17012 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 384170028 is about 19600.2558146571. The cubic root of 384170028 is about 726.9554995601.

The spelling of 384170028 in words is "three hundred eighty-four million, one hundred seventy thousand, twenty-eight".