2163432 has 32 divisors (see below), whose sum is σ = 5464800. Its totient is φ = 713664.

The previous prime is 2163431. The next prime is 2163439. The reversal of 2163432 is 2343612.

It is a happy number.

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

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2163399 and 2163408.

It is not an unprimeable number, because it can be changed into a prime (2163431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2203 + ... + 3029.

It is an arithmetic number, because the mean of its divisors is an integer number (170775).

2^2163432 is an apocalyptic number.

It is an amenable number.

2163432 is an abundant number, since it is smaller than the sum of its proper divisors (3301368).

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

2163432 is a wasteful number, since it uses less digits than its factorization.

2163432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 941 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 2163432 is about 1470.8609723560. The cubic root of 2163432 is about 129.3345083206.

The spelling of 2163432 in words is "two million, one hundred sixty-three thousand, four hundred thirty-two".