4539806 has 4 divisors (see below), whose sum is σ = 6809712. Its totient is φ = 2269902.

The previous prime is 4539791. The next prime is 4539817. The reversal of 4539806 is 6089354.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134950 + ... + 1134953.

It is an arithmetic number, because the mean of its divisors is an integer number (1702428).

Almost surely, 2^4539806 is an apocalyptic number.

4539806 is a deficient number, since it is larger than the sum of its proper divisors (2269906).

4539806 is a wasteful number, since it uses less digits than its factorization.

4539806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269905.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 4539806 is about 2130.6820504242. The cubic root of 4539806 is about 165.5817359882.

The spelling of 4539806 in words is "four million, five hundred thirty-nine thousand, eight hundred six".