128246328 has 160 divisors (see below), whose sum is σ = 419628000. Its totient is φ = 36578304.

The previous prime is 128246311. The next prime is 128246359. The reversal of 128246328 is 823642821.

128246328 is a `hidden beast` number, since 12 + 8 + 2 + 4 + 632 + 8 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 128246292 and 128246301.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 221976 + ... + 222552.

It is an arithmetic number, because the mean of its divisors is an integer number (2622675).

Almost surely, 2^128246328 is an apocalyptic number.

128246328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128246328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209814000).

128246328 is an abundant number, since it is smaller than the sum of its proper divisors (291381672).

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

128246328 is an equidigital number, since it uses as much as digits as its factorization.

128246328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 589 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 128246328 is about 11324.5895289851. The cubic root of 128246328 is about 504.2914980407.

The spelling of 128246328 in words is "one hundred twenty-eight million, two hundred forty-six thousand, three hundred twenty-eight".