83938999 has 8 divisors (see below), whose sum is σ = 85363200. Its totient is φ = 82526976.

The previous prime is 83938997. The next prime is 83939057. The reversal of 83938999 is 99983938.

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

It is a cyclic number.

It is not a de Polignac number, because 83938999 - 2¹ = 83938997 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 (83938993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11427 + ... + 17275.

It is an arithmetic number, because the mean of its divisors is an integer number (10670400).

Almost surely, 2^83938999 is an apocalyptic number.

83938999 is a deficient number, since it is larger than the sum of its proper divisors (1424201).

83938999 is a wasteful number, since it uses less digits than its factorization.

83938999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089.

The product of its digits is 3779136, while the sum is 58.

The square root of 83938999 is about 9161.8229081335. The cubic root of 83938999 is about 437.8458744084.

The spelling of 83938999 in words is "eighty-three million, nine hundred thirty-eight thousand, nine hundred ninety-nine".