4099555 has 4 divisors (see below), whose sum is σ = 4919472. Its totient is φ = 3279640.

The previous prime is 4099541. The next prime is 4099561. The reversal of 4099555 is 5559904.

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

It is not a de Polignac number, because 4099555 - 2⁵ = 4099523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409951 + ... + 409960.

It is an arithmetic number, because the mean of its divisors is an integer number (1229868).

Almost surely, 2^4099555 is an apocalyptic number.

4099555 is a deficient number, since it is larger than the sum of its proper divisors (819917).

4099555 is an equidigital number, since it uses as much as digits as its factorization.

4099555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819916.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 4099555 is about 2024.7357852322. The cubic root of 4099555 is about 160.0462756772.

The spelling of 4099555 in words is "four million, ninety-nine thousand, five hundred fifty-five".