83049943 has 4 divisors (see below), whose sum is σ = 83296720. Its totient is φ = 82803168.

The previous prime is 83049929. The next prime is 83049959. The reversal of 83049943 is 34994038.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83049943 - 2⁹ = 83049431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83049896 and 83049905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83049143) 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, 122883 + ... + 123556.

It is an arithmetic number, because the mean of its divisors is an integer number (20824180).

Almost surely, 2^83049943 is an apocalyptic number.

83049943 is a deficient number, since it is larger than the sum of its proper divisors (246777).

83049943 is a wasteful number, since it uses less digits than its factorization.

83049943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246776.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 83049943 is about 9113.1741451593. The cubic root of 83049943 is about 436.2945415286.

The spelling of 83049943 in words is "eighty-three million, forty-nine thousand, nine hundred forty-three".