83399339 has 4 divisors (see below), whose sum is σ = 84259224. Its totient is φ = 82539456.

The previous prime is 83399333. The next prime is 83399347. The reversal of 83399339 is 93399338.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93399338 = 2 ⋅46699669.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83399339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83399293 and 83399302.

It is not an unprimeable number, because it can be changed into a prime (83399333) 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, 429797 + ... + 429990.

It is an arithmetic number, because the mean of its divisors is an integer number (21064806).

Almost surely, 2^83399339 is an apocalyptic number.

83399339 is a deficient number, since it is larger than the sum of its proper divisors (859885).

83399339 is an equidigital number, since it uses as much as digits as its factorization.

83399339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859884.

The product of its digits is 472392, while the sum is 47.

The square root of 83399339 is about 9132.3238554050. The cubic root of 83399339 is about 436.9055244557.

Subtracting 83399339 from its reverse (93399338), we obtain a palindrome (9999999).

It can be divided in two parts, 83399 and 339, that added together give a palindrome (83738).

The spelling of 83399339 in words is "eighty-three million, three hundred ninety-nine thousand, three hundred thirty-nine".