83992019 has 8 divisors (see below), whose sum is σ = 89449920. Its totient is φ = 78591616.

The previous prime is 83991997. The next prime is 83992031. The reversal of 83992019 is 91029938.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83992019 is a prime.

It is a super-2 number, since 2×83992019² = 14109318511392722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83992039) 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, 11339 + ... + 17220.

It is an arithmetic number, because the mean of its divisors is an integer number (11181240).

Almost surely, 2^83992019 is an apocalyptic number.

83992019 is a deficient number, since it is larger than the sum of its proper divisors (5457901).

83992019 is a wasteful number, since it uses less digits than its factorization.

83992019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28749.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 83992019 is about 9164.7159803237. The cubic root of 83992019 is about 437.9380433343.

The spelling of 83992019 in words is "eighty-three million, nine hundred ninety-two thousand, nineteen".