105683287 has 8 divisors (see below), whose sum is σ = 107415072. Its totient is φ = 103958400.

The previous prime is 105683273. The next prime is 105683297. The reversal of 105683287 is 782386501.

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

It is a cyclic number.

It is not a de Polignac number, because 105683287 - 2⁷ = 105683159 is a prime.

It is a super-2 number, since 2×105683287² = 22337914302248738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105683267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35563 + ... + 38419.

It is an arithmetic number, because the mean of its divisors is an integer number (13426884).

Almost surely, 2^105683287 is an apocalyptic number.

105683287 is a deficient number, since it is larger than the sum of its proper divisors (1731785).

105683287 is an equidigital number, since it uses as much as digits as its factorization.

105683287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 105683287 is about 10280.2376918046. The cubic root of 105683287 is about 472.7905319202.

The spelling of 105683287 in words is "one hundred five million, six hundred eighty-three thousand, two hundred eighty-seven".