4099872 has 48 divisors (see below), whose sum is σ = 12301632. Its totient is φ = 1171200.

The previous prime is 4099867. The next prime is 4099883. The reversal of 4099872 is 2789904.

4099872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 4099872.

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, 2379 + ... + 3722.

It is an arithmetic number, because the mean of its divisors is an integer number (256284).

Almost surely, 2^4099872 is an apocalyptic number.

4099872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4099872 is an abundant number, since it is smaller than the sum of its proper divisors (8201760).

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

4099872 is a wasteful number, since it uses less digits than its factorization.

4099872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121 (or 6113 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 4099872 is about 2024.8140655379. The cubic root of 4099872 is about 160.0504007885.

The spelling of 4099872 in words is "four million, ninety-nine thousand, eight hundred seventy-two".