4002606 has 12 divisors (see below), whose sum is σ = 8672352. Its totient is φ = 1334196.

The previous prime is 4002577. The next prime is 4002611. The reversal of 4002606 is 6062004.

4002606 is a `hidden beast` number, since 400 + 260 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 222367 = 4002606 / (4 + 0 + 0 + 2 + 6 + 0 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111166 + ... + 111201.

It is an arithmetic number, because the mean of its divisors is an integer number (722696).

Almost surely, 2^4002606 is an apocalyptic number.

4002606 is an abundant number, since it is smaller than the sum of its proper divisors (4669746).

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

4002606 is a wasteful number, since it uses less digits than its factorization.

4002606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222375 (or 222372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4002606 is about 2000.6513939215. The cubic root of 4002606 is about 158.7745707726.

The spelling of 4002606 in words is "four million, two thousand, six hundred six".