382428228 has 96 divisors (see below), whose sum is σ = 1114860544. Its totient is φ = 99335808.

The previous prime is 382428217. The next prime is 382428229. The reversal of 382428228 is 822824283.

It is a super-3 number, since 3×382428228³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (382428229) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 70551 + ... + 75777.

Almost surely, 2^382428228 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 382428228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557430272).

382428228 is an abundant number, since it is smaller than the sum of its proper divisors (732432316).

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

382428228 is a wasteful number, since it uses less digits than its factorization.

382428228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321 (or 5319 counting only the distinct ones).

The product of its digits is 98304, while the sum is 39.

The square root of 382428228 is about 19555.7722424864. The cubic root of 382428228 is about 725.8551798502.

The spelling of 382428228 in words is "three hundred eighty-two million, four hundred twenty-eight thousand, two hundred twenty-eight".