83043921 has 8 divisors (see below), whose sum is σ = 110890080. Its totient is φ = 55280192.

The previous prime is 83043911. The next prime is 83043937. The reversal of 83043921 is 12934038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83043921 - 2¹⁷ = 82912849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83043911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18216 + ... + 22313.

It is an arithmetic number, because the mean of its divisors is an integer number (13861260).

Almost surely, 2^83043921 is an apocalyptic number.

It is an amenable number.

83043921 is a deficient number, since it is larger than the sum of its proper divisors (27846159).

83043921 is a wasteful number, since it uses less digits than its factorization.

83043921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41215.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 83043921 is about 9112.8437383728. The cubic root of 83043921 is about 436.2839959495.

Adding to 83043921 its reverse (12934038), we get a palindrome (95977959).

The spelling of 83043921 in words is "eighty-three million, forty-three thousand, nine hundred twenty-one".