4020506 has 8 divisors (see below), whose sum is σ = 6892320. Its totient is φ = 1723068.

The previous prime is 4020503. The next prime is 4020529. The reversal of 4020506 is 6050204.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4020503) 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, 143576 + ... + 143603.

It is an arithmetic number, because the mean of its divisors is an integer number (861540).

Almost surely, 2^4020506 is an apocalyptic number.

4020506 is a deficient number, since it is larger than the sum of its proper divisors (2871814).

4020506 is a wasteful number, since it uses less digits than its factorization.

4020506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287188.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4020506 is about 2005.1199465369. The cubic root of 4020506 is about 159.0109033568.

The spelling of 4020506 in words is "four million, twenty thousand, five hundred six".