83240843 has 8 divisors (see below), whose sum is σ = 100139520. Its totient is φ = 67593960.

The previous prime is 83240831. The next prime is 83240849. The reversal of 83240843 is 34804238.

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

It is not a de Polignac number, because 83240843 - 2⁴ = 83240827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83240849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312803 + ... + 313068.

It is an arithmetic number, because the mean of its divisors is an integer number (12517440).

Almost surely, 2^83240843 is an apocalyptic number.

83240843 is a deficient number, since it is larger than the sum of its proper divisors (16898677).

83240843 is a wasteful number, since it uses less digits than its factorization.

83240843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625897.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 83240843 is about 9123.6419811389. The cubic root of 83240843 is about 436.6285770504.

The spelling of 83240843 in words is "eighty-three million, two hundred forty thousand, eight hundred forty-three".