4206666 has 16 divisors (see below), whose sum is σ = 8433504. Its totient is φ = 1398864.

The previous prime is 4206659. The next prime is 4206673. The reversal of 4206666 is 6666024.

It is an interprime number because it is at equal distance from previous prime (4206659) and next prime (4206673).

4206666 is a modest number, since divided by 6666 gives 420 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4185 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (527094).

Almost surely, 2^4206666 is an apocalyptic number.

4206666 is an abundant number, since it is smaller than the sum of its proper divisors (4226838).

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

4206666 is a wasteful number, since it uses less digits than its factorization.

4206666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 4206666 is about 2051.0158458676. The cubic root of 4206666 is about 161.4281775421.

The spelling of 4206666 in words is "four million, two hundred six thousand, six hundred sixty-six".