4149818 has 16 divisors (see below), whose sum is σ = 6424704. Its totient is φ = 2009280.

The previous prime is 4149811. The next prime is 4149833. The reversal of 4149818 is 8189414.

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

It is not an unprimeable number, because it can be changed into a prime (4149811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12146 + ... + 12482.

It is an arithmetic number, because the mean of its divisors is an integer number (401544).

Almost surely, 2^4149818 is an apocalyptic number.

4149818 is a deficient number, since it is larger than the sum of its proper divisors (2274886).

4149818 is a wasteful number, since it uses less digits than its factorization.

4149818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its digits is 9216, while the sum is 35.

The square root of 4149818 is about 2037.1102081134. The cubic root of 4149818 is about 160.6977083054.

The spelling of 4149818 in words is "four million, one hundred forty-nine thousand, eight hundred eighteen".