4027816 has 16 divisors (see below), whose sum is σ = 8133300. Its totient is φ = 1858944.

The previous prime is 4027811. The next prime is 4027817. The reversal of 4027816 is 6187204.

It can be written as a sum of positive squares in 2 ways, for example, as 3132900 + 894916 = 1770^2 + 946^2 .

It is not an unprimeable number, because it can be changed into a prime (4027811) 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 3 ways as a sum of consecutive naturals, for example, 19261 + ... + 19468.

Almost surely, 2^4027816 is an apocalyptic number.

It is an amenable number.

4027816 is an abundant number, since it is smaller than the sum of its proper divisors (4105484).

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

4027816 is a wasteful number, since it uses less digits than its factorization.

4027816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38748 (or 38744 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 4027816 is about 2006.9419523245. The cubic root of 4027816 is about 159.1072151104.

The spelling of 4027816 in words is "four million, twenty-seven thousand, eight hundred sixteen".