4549018 has 16 divisors (see below), whose sum is σ = 7308000. Its totient is φ = 2117232.

The previous prime is 4549003. The next prime is 4549021. The reversal of 4549018 is 8109454.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 16.

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 in 7 ways as a sum of consecutive naturals, for example, 1228 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (456750).

Almost surely, 2^4549018 is an apocalyptic number.

4549018 is a deficient number, since it is larger than the sum of its proper divisors (2758982).

4549018 is a wasteful number, since it uses less digits than its factorization.

4549018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 4549018 is about 2132.8427039986. The cubic root of 4549018 is about 165.6936576866.

The spelling of 4549018 in words is "four million, five hundred forty-nine thousand, eighteen".