387228 has 36 divisors (see below), whose sum is σ = 960008. Its totient is φ = 121440.

The previous prime is 387227. The next prime is 387253. The reversal of 387228 is 822783.

It is a d-powerful number, because it can be written as 3⁷ + 8⁴ + 2⁷ + 7⁶ + 2¹⁰ + 8⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 387195 and 387204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6318 + ... + 6378.

2³⁸⁷²²⁸ 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 387228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480004).

387228 is an abundant number, since it is smaller than the sum of its proper divisors (572780).

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

387228 is a wasteful number, since it uses less digits than its factorization.

387228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 89 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 387228 is about 622.2764658896. The cubic root of 387228 is about 72.8879245995.

The spelling of 387228 in words is "three hundred eighty-seven thousand, two hundred twenty-eight".