1632128 has 32 divisors (see below), whose sum is σ = 3341520. Its totient is φ = 793600.

The previous prime is 1632121. The next prime is 1632133. The reversal of 1632128 is 8212361.

It is a tau number, because it is divible by the number of its divisors (32).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1632121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5093 + ... + 5403.

2^1632128 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 1632128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1670760).

1632128 is an abundant number, since it is smaller than the sum of its proper divisors (1709392).

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

1632128 is an equidigital number, since it uses as much as digits as its factorization.

1632128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 354 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 1632128 is about 1277.5476507747. The cubic root of 1632128 is about 117.7383843044.

Adding to 1632128 its reverse (8212361), we get a palindrome (9844489).

The spelling of 1632128 in words is "one million, six hundred thirty-two thousand, one hundred twenty-eight".