83228039 has 4 divisors (see below), whose sum is σ = 88123824. Its totient is φ = 78332256.

The previous prime is 83228011. The next prime is 83228069. The reversal of 83228039 is 93082238.

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 83228039 - 2⁸ = 83227783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83228009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2447867 + ... + 2447900.

It is an arithmetic number, because the mean of its divisors is an integer number (22030956).

Almost surely, 2^83228039 is an apocalyptic number.

83228039 is a deficient number, since it is larger than the sum of its proper divisors (4895785).

83228039 is a wasteful number, since it uses less digits than its factorization.

83228039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895784.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 83228039 is about 9122.9402606835. The cubic root of 83228039 is about 436.6061886860.

It can be divided in two parts, 8322 and 8039, that added together give a palindrome (16361).

The spelling of 83228039 in words is "eighty-three million, two hundred twenty-eight thousand, thirty-nine".