4287109 has 8 divisors (see below), whose sum is σ = 4372760. Its totient is φ = 4202496.

The previous prime is 4287097. The next prime is 4287121. The reversal of 4287109 is 9017824.

It is an interprime number because it is at equal distance from previous prime (4287097) and next prime (4287121).

It can be written as a sum of positive squares in 4 ways, for example, as 956484 + 3330625 = 978^2 + 1825^2 .

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 4287109 - 2⁷ = 4286981 is a prime.

It is a super-3 number, since 3×4287109³ (a number of 21 digits) contains 333 as substring.

4287109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287209) 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, 18607 + ... + 18835.

It is an arithmetic number, because the mean of its divisors is an integer number (546595).

Almost surely, 2^4287109 is an apocalyptic number.

It is an amenable number.

4287109 is a deficient number, since it is larger than the sum of its proper divisors (85651).

4287109 is a wasteful number, since it uses less digits than its factorization.

4287109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 4287109 is about 2070.5335061283. The cubic root of 4287109 is about 162.4506706284.

The spelling of 4287109 in words is "four million, two hundred eighty-seven thousand, one hundred nine".