4081899 has 8 divisors (see below), whose sum is σ = 5491152. Its totient is φ = 2696960.

The previous prime is 4081897. The next prime is 4081933. The reversal of 4081899 is 9981804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4081899 - 2¹ = 4081897 is a prime.

4081899 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4081897) 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, 5682 + ... + 6359.

It is an arithmetic number, because the mean of its divisors is an integer number (686394).

Almost surely, 2^4081899 is an apocalyptic number.

4081899 is a deficient number, since it is larger than the sum of its proper divisors (1409253).

4081899 is a wasteful number, since it uses less digits than its factorization.

4081899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12157.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 4081899 is about 2020.3710055334. The cubic root of 4081899 is about 159.8161821287.

The spelling of 4081899 in words is "four million, eighty-one thousand, eight hundred ninety-nine".