83888242 has 16 divisors (see below), whose sum is σ = 131961240. Its totient is φ = 39940992.

The previous prime is 83888209. The next prime is 83888243. The reversal of 83888242 is 24288838.

It can be written as a sum of positive squares in 4 ways, for example, as 47900241 + 35988001 = 6921^2 + 5999^2 .

It is not an unprimeable number, because it can be changed into a prime (83888243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5673 + ... + 14140.

Almost surely, 2^83888242 is an apocalyptic number.

83888242 is a deficient number, since it is larger than the sum of its proper divisors (48072998).

83888242 is a wasteful number, since it uses less digits than its factorization.

83888242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19917.

The product of its digits is 196608, while the sum is 43.

The square root of 83888242 is about 9159.0524619089. The cubic root of 83888242 is about 437.7576030672.

The spelling of 83888242 in words is "eighty-three million, eight hundred eighty-eight thousand, two hundred forty-two".