4099955 has 4 divisors (see below), whose sum is σ = 4919952. Its totient is φ = 3279960.

The previous prime is 4099943. The next prime is 4099961. The reversal of 4099955 is 5599904.

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

It is not a de Polignac number, because 4099955 - 2⁸ = 4099699 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, 409991 + ... + 410000.

It is an arithmetic number, because the mean of its divisors is an integer number (1229988).

Almost surely, 2^4099955 is an apocalyptic number.

4099955 is a deficient number, since it is larger than the sum of its proper divisors (819997).

4099955 is an equidigital number, since it uses as much as digits as its factorization.

4099955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819996.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 4099955 is about 2024.8345611432. The cubic root of 4099955 is about 160.0514808298.

The spelling of 4099955 in words is "four million, ninety-nine thousand, nine hundred fifty-five".