105933691 has 4 divisors (see below), whose sum is σ = 105971800. Its totient is φ = 105895584.

The previous prime is 105933673. The next prime is 105933739. The reversal of 105933691 is 196339501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196339501 = 37 ⋅5306473.

It is a cyclic number.

It is not a de Polignac number, because 105933691 - 2¹¹ = 105931643 is a prime.

It is a super-2 number, since 2×105933691² = 22443893777766962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105933691.

It is not an unprimeable number, because it can be changed into a prime (105933671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14526 + ... + 20563.

It is an arithmetic number, because the mean of its divisors is an integer number (26492950).

Almost surely, 2^105933691 is an apocalyptic number.

105933691 is a deficient number, since it is larger than the sum of its proper divisors (38109).

105933691 is an equidigital number, since it uses as much as digits as its factorization.

105933691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38108.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 105933691 is about 10292.4093875049. The cubic root of 105933691 is about 473.1636444024.

The spelling of 105933691 in words is "one hundred five million, nine hundred thirty-three thousand, six hundred ninety-one".