4287666 has 16 divisors (see below), whose sum is σ = 8614944. Its totient is φ = 1422624.

The previous prime is 4287643. The next prime is 4287667. The reversal of 4287666 is 6667824.

It is not an unprimeable number, because it can be changed into a prime (4287667) 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, 136 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (538434).

Almost surely, 2^4287666 is an apocalyptic number.

4287666 is an abundant number, since it is smaller than the sum of its proper divisors (4327278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4287666 is a wasteful number, since it uses less digits than its factorization.

4287666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305.

The product of its digits is 96768, while the sum is 39.

The square root of 4287666 is about 2070.6680081558. The cubic root of 4287666 is about 162.4577057582.

The spelling of 4287666 in words is "four million, two hundred eighty-seven thousand, six hundred sixty-six".