104999993 has 6 divisors (see below), whose sum is σ = 122142906. Its totient is φ = 89999952.

The previous prime is 104999977. The next prime is 105000001. The reversal of 104999993 is 399999401.

It can be written as a sum of positive squares in only one way, i.e., 58323769 + 46676224 = 7637^2 + 6832^2 .

It is not a de Polignac number, because 104999993 - 2⁴ = 104999977 is a prime.

It is a super-2 number, since 2×104999993² = 22049997060000098, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104999953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1071380 + ... + 1071477.

It is an arithmetic number, because the mean of its divisors is an integer number (20357151).

Almost surely, 2^104999993 is an apocalyptic number.

It is an amenable number.

104999993 is a deficient number, since it is larger than the sum of its proper divisors (17142913).

104999993 is an equidigital number, since it uses as much as digits as its factorization.

104999993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142871 (or 2142864 counting only the distinct ones).

The product of its (nonzero) digits is 708588, while the sum is 53.

The square root of 104999993 is about 10246.9504243946. The cubic root of 104999993 is about 471.7693875479.

The spelling of 104999993 in words is "one hundred four million, nine hundred ninety-nine thousand, nine hundred ninety-three".