83917243 has 8 divisors (see below), whose sum is σ = 89579520. Its totient is φ = 78379560.

The previous prime is 83917199. The next prime is 83917291. The reversal of 83917243 is 34271938.

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

It is not a de Polignac number, because 83917243 - 2⁹ = 83916731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83917543) 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, 29755 + ... + 32452.

It is an arithmetic number, because the mean of its divisors is an integer number (11197440).

Almost surely, 2^83917243 is an apocalyptic number.

83917243 is a deficient number, since it is larger than the sum of its proper divisors (5662277).

83917243 is a wasteful number, since it uses less digits than its factorization.

83917243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62297.

The product of its digits is 36288, while the sum is 37.

The square root of 83917243 is about 9160.6355128888. The cubic root of 83917243 is about 437.8080429749.

The spelling of 83917243 in words is "eighty-three million, nine hundred seventeen thousand, two hundred forty-three".