83832209 has 4 divisors (see below), whose sum is σ = 85083504. Its totient is φ = 82580916.

The previous prime is 83832197. The next prime is 83832211. The reversal of 83832209 is 90223838.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90223838 = 2 ⋅45111919.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83832209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83832289) 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, 625547 + ... + 625680.

It is an arithmetic number, because the mean of its divisors is an integer number (21270876).

Almost surely, 2^83832209 is an apocalyptic number.

It is an amenable number.

83832209 is a deficient number, since it is larger than the sum of its proper divisors (1251295).

83832209 is a wasteful number, since it uses less digits than its factorization.

83832209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251294.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 83832209 is about 9155.9930646544. The cubic root of 83832209 is about 437.6601148911.

The spelling of 83832209 in words is "eighty-three million, eight hundred thirty-two thousand, two hundred nine".