8442105 has 64 divisors (see below), whose sum is σ = 16547328. Its totient is φ = 3594240.

The previous prime is 8442097. The next prime is 8442107. The reversal of 8442105 is 5012448.

8442105 = T₁ + T₂ + ... + T₃₆₉.

8442105 is a nontrivial binomial coefficient, being equal to C(371, 3).

It is not a de Polignac number, because 8442105 - 2³ = 8442097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442107) by changing a digit.

It is the 369-th tetrahedral number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 159259 + ... + 159311.

It is an arithmetic number, because the mean of its divisors is an integer number (258552).

Almost surely, 2^8442105 is an apocalyptic number.

It is an amenable number.

8442105 is a deficient number, since it is larger than the sum of its proper divisors (8105223).

8442105 is a wasteful number, since it uses less digits than its factorization.

8442105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 8442105 is about 2905.5300721211. The cubic root of 8442105 is about 203.6183512291.

The spelling of 8442105 in words is "eight million, four hundred forty-two thousand, one hundred five".