83443432 has 16 divisors (see below), whose sum is σ = 156736260. Its totient is φ = 41647104.

The previous prime is 83443403. The next prime is 83443433. The reversal of 83443432 is 23434438.

It can be written as a sum of positive squares in 2 ways, for example, as 51926436 + 31516996 = 7206^2 + 5614^2 .

It is a junction number, because it is equal to n+sod(n) for n = 83443394 and 83443403.

It is not an unprimeable number, because it can be changed into a prime (83443433) 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, 4423 + ... + 13654.

Almost surely, 2^83443432 is an apocalyptic number.

It is an amenable number.

83443432 is a deficient number, since it is larger than the sum of its proper divisors (73292828).

83443432 is a wasteful number, since it uses less digits than its factorization.

83443432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18660 (or 18656 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

The square root of 83443432 is about 9134.7376535947. The cubic root of 83443432 is about 436.9825078047.

The spelling of 83443432 in words is "eighty-three million, four hundred forty-three thousand, four hundred thirty-two".