4540806 has 16 divisors (see below), whose sum is σ = 10090800. Its totient is φ = 1513584.

The previous prime is 4540777. The next prime is 4540807. The reversal of 4540806 is 6080454.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 4540806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41991 + ... + 42098.

It is an arithmetic number, because the mean of its divisors is an integer number (630675).

Almost surely, 2^4540806 is an apocalyptic number.

4540806 is an abundant number, since it is smaller than the sum of its proper divisors (5549994).

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

4540806 is a wasteful number, since it uses less digits than its factorization.

4540806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84100 (or 84094 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4540806 is about 2130.9167041440. The cubic root of 4540806 is about 165.5938928645.

The spelling of 4540806 in words is "four million, five hundred forty thousand, eight hundred six".