4202666 has 8 divisors (see below), whose sum is σ = 6788964. Its totient is φ = 1939680.

The previous prime is 4202663. The next prime is 4202677. The reversal of 4202666 is 6662024.

It can be written as a sum of positive squares in 2 ways, for example, as 3916441 + 286225 = 1979^2 + 535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 161641 = 4202666 / (4 + 2 + 0 + 2 + 6 + 6 + 6).

It is a d-powerful number, because it can be written as 4¹¹ + 2⁵ + 0 + 2⁹ + 6 + 6² + 6⁵ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4202663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80795 + ... + 80846.

Almost surely, 2^4202666 is an apocalyptic number.

4202666 is a deficient number, since it is larger than the sum of its proper divisors (2586298).

4202666 is a wasteful number, since it uses less digits than its factorization.

4202666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161656.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4202666 is about 2050.0404874051. The cubic root of 4202666 is about 161.3769954832.

The spelling of 4202666 in words is "four million, two hundred two thousand, six hundred sixty-six".