4006606 has 8 divisors (see below), whose sum is σ = 6326280. Its totient is φ = 1897848.

The previous prime is 4006603. The next prime is 4006621. The reversal of 4006606 is 6066004.

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

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006603) 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, 52681 + ... + 52756.

It is an arithmetic number, because the mean of its divisors is an integer number (790785).

Almost surely, 2^4006606 is an apocalyptic number.

4006606 is a deficient number, since it is larger than the sum of its proper divisors (2319674).

4006606 is a wasteful number, since it uses less digits than its factorization.

4006606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105458.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4006606 is about 2001.6508186994. The cubic root of 4006606 is about 158.8274435626.

The spelling of 4006606 in words is "four million, six thousand, six hundred six".