8001099 has 10 divisors (see below), whose sum is σ = 11952380. Its totient is φ = 5334012.

The previous prime is 8001047. The next prime is 8001107. The reversal of 8001099 is 9901008.

It is not a de Polignac number, because 8001099 - 2¹¹ = 7999051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8001029) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 49309 + ... + 49470.

It is an arithmetic number, because the mean of its divisors is an integer number (1195238).

Almost surely, 2^8001099 is an apocalyptic number.

8001099 is a deficient number, since it is larger than the sum of its proper divisors (3951281).

8001099 is an equidigital number, since it uses as much as digits as its factorization.

8001099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98791 (or 98782 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 8001099 is about 2828.6213956626. The cubic root of 8001099 is about 200.0091579140.

The spelling of 8001099 in words is "eight million, one thousand, ninety-nine".