4000099 has 4 divisors (see below), whose sum is σ = 4020400. Its totient is φ = 3979800.

The previous prime is 4000093. The next prime is 4000133. The reversal of 4000099 is 9900004.

4000099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4000099 - 2⁵ = 4000067 is a prime.

It is a Duffinian number.

4000099 is a modest number, since divided by 99 gives 4 as remainder.

It is not an unprimeable number, because it can be changed into a prime (4000093) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9852 + ... + 10249.

It is an arithmetic number, because the mean of its divisors is an integer number (1005100).

Almost surely, 2^4000099 is an apocalyptic number.

4000099 is a deficient number, since it is larger than the sum of its proper divisors (20301).

4000099 is a wasteful number, since it uses less digits than its factorization.

4000099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20300.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 4000099 is about 2000.0247498469. The cubic root of 4000099 is about 158.7414147919.

The spelling of 4000099 in words is "four million, ninety-nine", and thus it is an aban number.