2133432 has 128 divisors (see below), whose sum is σ = 7257600. Its totient is φ = 566784.

The previous prime is 2133431. The next prime is 2133433. The reversal of 2133432 is 2343312.

It is an interprime number because it is at equal distance from previous prime (2133431) and next prime (2133433).

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a d-powerful number, because it can be written as 2¹³ + 1 + 3 + 3⁸ + 4³ + 3¹³ + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25663 + ... + 25745.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2^2133432 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 2133432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3628800).

2133432 is an abundant number, since it is smaller than the sum of its proper divisors (5124168).

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

2133432 is a wasteful number, since it uses less digits than its factorization.

2133432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 112 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 2133432 is about 1460.6272625143. The cubic root of 2133432 is about 128.7339025339.

Adding to 2133432 its reverse (2343312), we get a palindrome (4476744).

The spelling of 2133432 in words is "two million, one hundred thirty-three thousand, four hundred thirty-two".