1328238 has 28 divisors (see below), whose sum is σ = 2990448. Its totient is φ = 442260.

The previous prime is 1328237. The next prime is 1328269. The reversal of 1328238 is 8328231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a nialpdrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328231) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1003 + ... + 1913.

2^1328238 is an apocalyptic number.

1328238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495224).

1328238 is an abundant number, since it is smaller than the sum of its proper divisors (1662210).

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

1328238 is an frugal number, since it uses more digits than its factorization.

1328238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 916 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1328238 is about 1152.4920824023. The cubic root of 1328238 is about 109.9238591540.

1328238 divided by its sum of digits (27) gives a palindrome (49194).

The spelling of 1328238 in words is "one million, three hundred twenty-eight thousand, two hundred thirty-eight".