4720806 has 24 divisors (see below), whose sum is σ = 10297560. Its totient is φ = 1562976.

The previous prime is 4720787. The next prime is 4720811. The reversal of 4720806 is 6080274.

It is a self number, because there is not a number n which added to its sum of digits gives 4720806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2130 + ... + 3738.

It is an arithmetic number, because the mean of its divisors is an integer number (429065).

Almost surely, 2^4720806 is an apocalyptic number.

4720806 is an abundant number, since it is smaller than the sum of its proper divisors (5576754).

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

4720806 is a wasteful number, since it uses less digits than its factorization.

4720806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 4720806 is about 2172.7415861073. The cubic root of 4720806 is about 167.7536781346.

The spelling of 4720806 in words is "four million, seven hundred twenty thousand, eight hundred six".