4099816 has 32 divisors (see below), whose sum is σ = 8856000. Its totient is φ = 1742976.

The previous prime is 4099811. The next prime is 4099853. The reversal of 4099816 is 6189904.

4099816 is a nontrivial binomial coefficient, being equal to C(2864, 2).

It is not an unprimeable number, because it can be changed into a prime (4099811) 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, 9820 + ... + 10228.

It is an arithmetic number, because the mean of its divisors is an integer number (276750).

Almost surely, 2^4099816 is an apocalyptic number.

4099816 is the 2863-rd triangular number and also the 1432-nd hexagonal number.

4099816 is the 955-th centered nonagonal number.

It is an amenable number.

4099816 is an abundant number, since it is smaller than the sum of its proper divisors (4756184).

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

4099816 is a wasteful number, since it uses less digits than its factorization.

4099816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 4099816 is about 2024.8002370604. The cubic root of 4099816 is about 160.0496720777.

It can be divided in two parts, 40998 and 16, that added together give a palindrome (41014).

The spelling of 4099816 in words is "four million, ninety-nine thousand, eight hundred sixteen".