112289993 has 4 divisors (see below), whose sum is σ = 112339200. Its totient is φ = 112240788.

The previous prime is 112289963. The next prime is 112289999. The reversal of 112289993 is 399982211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 399982211 = 293 ⋅1365127.

It is a cyclic number.

It is not a de Polignac number, because 112289993 - 2¹² = 112285897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112289999) 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 3 ways as a sum of consecutive naturals, for example, 21005 + ... + 25802.

It is an arithmetic number, because the mean of its divisors is an integer number (28084800).

Almost surely, 2^112289993 is an apocalyptic number.

It is an amenable number.

112289993 is a deficient number, since it is larger than the sum of its proper divisors (49207).

112289993 is an equidigital number, since it uses as much as digits as its factorization.

112289993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49206.

The product of its digits is 69984, while the sum is 44.

The square root of 112289993 is about 10596.6972684889. The cubic root of 112289993 is about 482.4441207089. Note that the first 3 decimals are identical.

The spelling of 112289993 in words is "one hundred twelve million, two hundred eighty-nine thousand, nine hundred ninety-three".