4128432 has 80 divisors (see below), whose sum is σ = 13308672. Its totient is φ = 1071360.

The previous prime is 4128427. The next prime is 4128451. The reversal of 4128432 is 2348214.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3138 + ... + 4254.

Almost surely, 2^4128432 is an apocalyptic number.

4128432 is a gapful number since it is divisible by the number (42) 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 4128432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6654336).

4128432 is an abundant number, since it is smaller than the sum of its proper divisors (9180240).

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

4128432 is a wasteful number, since it uses less digits than its factorization.

4128432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1140 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 4128432 is about 2031.8543254869. The cubic root of 4128432 is about 160.4211819797.

It can be divided in two parts, 4128 and 432, that added together give a triangular number (4560 = T₉₅).

The spelling of 4128432 in words is "four million, one hundred twenty-eight thousand, four hundred thirty-two".