4280605 has 32 divisors (see below), whose sum is σ = 6370560. Its totient is φ = 2695680.

The previous prime is 4280593. The next prime is 4280611. The reversal of 4280605 is 5060824.

4280605 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 4280605 - 2⁷ = 4280477 is a prime.

4280605 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4280605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27187 + ... + 27343.

It is an arithmetic number, because the mean of its divisors is an integer number (199080).

Almost surely, 2^4280605 is an apocalyptic number.

It is an amenable number.

4280605 is a deficient number, since it is larger than the sum of its proper divisors (2089955).

4280605 is a wasteful number, since it uses less digits than its factorization.

4280605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4280605 is about 2068.9623002849. The cubic root of 4280605 is about 162.3684774047.

The spelling of 4280605 in words is "four million, two hundred eighty thousand, six hundred five".