83479393 has 4 divisors (see below), whose sum is σ = 83498688. Its totient is φ = 83460100.

The previous prime is 83479391. The next prime is 83479423. The reversal of 83479393 is 39397438.

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 not a de Polignac number, because 83479393 - 2¹ = 83479391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83479391) 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, 180 + ... + 12922.

It is an arithmetic number, because the mean of its divisors is an integer number (20874672).

Almost surely, 2^83479393 is an apocalyptic number.

It is an amenable number.

83479393 is a deficient number, since it is larger than the sum of its proper divisors (19295).

83479393 is a wasteful number, since it uses less digits than its factorization.

83479393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19294.

The product of its digits is 489888, while the sum is 46.

The square root of 83479393 is about 9136.7058067993. The cubic root of 83479393 is about 437.0452731644.

The spelling of 83479393 in words is "eighty-three million, four hundred seventy-nine thousand, three hundred ninety-three".