83289838 has 8 divisors (see below), whose sum is σ = 124999488. Its totient is φ = 41623344.

The previous prime is 83289809. The next prime is 83289847. The reversal of 83289838 is 83898238.

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

It is a super-3 number, since 3×83289838³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 83289791 and 83289800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5431 + ... + 14002.

It is an arithmetic number, because the mean of its divisors is an integer number (15624936).

Almost surely, 2^83289838 is an apocalyptic number.

83289838 is a deficient number, since it is larger than the sum of its proper divisors (41709650).

83289838 is a wasteful number, since it uses less digits than its factorization.

83289838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21578.

The product of its digits is 663552, while the sum is 49.

The square root of 83289838 is about 9126.3266432886. The cubic root of 83289838 is about 436.7142257959.

Subtracting 83289838 from its reverse (83898238), we obtain a square (608400 = 780²).

The spelling of 83289838 in words is "eighty-three million, two hundred eighty-nine thousand, eight hundred thirty-eight".