4099111 has 4 divisors (see below), whose sum is σ = 4111272. Its totient is φ = 4086952.

The previous prime is 4099093. The next prime is 4099133. The reversal of 4099111 is 1119904.

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 4099111 - 2¹¹ = 4097063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5560 + ... + 6253.

It is an arithmetic number, because the mean of its divisors is an integer number (1027818).

Almost surely, 2^4099111 is an apocalyptic number.

4099111 is a deficient number, since it is larger than the sum of its proper divisors (12161).

4099111 is a wasteful number, since it uses less digits than its factorization.

4099111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12160.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 4099111 is about 2024.6261383278. The cubic root of 4099111 is about 160.0404975613.

The spelling of 4099111 in words is "four million, ninety-nine thousand, one hundred eleven".