83793389 has 4 divisors (see below), whose sum is σ = 83876640. Its totient is φ = 83710140.

The previous prime is 83793379. The next prime is 83793427. The reversal of 83793389 is 98339738.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83793389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83793329) 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, 40097 + ... + 42134.

It is an arithmetic number, because the mean of its divisors is an integer number (20969160).

Almost surely, 2^83793389 is an apocalyptic number.

It is an amenable number.

83793389 is a deficient number, since it is larger than the sum of its proper divisors (83251).

83793389 is a wasteful number, since it uses less digits than its factorization.

83793389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83250.

The product of its digits is 979776, while the sum is 50.

The square root of 83793389 is about 9153.8728962117. The cubic root of 83793389 is about 437.5925490194.

The spelling of 83793389 in words is "eighty-three million, seven hundred ninety-three thousand, three hundred eighty-nine".