4020606 has 12 divisors (see below), whose sum is σ = 8711352. Its totient is φ = 1340196.

The previous prime is 4020593. The next prime is 4020617. The reversal of 4020606 is 6060204.

4020606 is a `hidden beast` number, since 40 + 20 + 606 = 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: 223367 = 4020606 / (4 + 0 + 2 + 0 + 6 + 0 + 6).

4020606 is a modest number, since divided by 606 gives 402 as remainder.

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, 111666 + ... + 111701.

It is an arithmetic number, because the mean of its divisors is an integer number (725946).

Almost surely, 2^4020606 is an apocalyptic number.

4020606 is an abundant number, since it is smaller than the sum of its proper divisors (4690746).

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

4020606 is a wasteful number, since it uses less digits than its factorization.

4020606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223375 (or 223372 counting only the distinct ones).

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

The square root of 4020606 is about 2005.1448825459. The cubic root of 4020606 is about 159.0122216783.

The spelling of 4020606 in words is "four million, twenty thousand, six hundred six".