8399055 has 32 divisors (see below), whose sum is σ = 15740928. Its totient is φ = 3744000.

The previous prime is 8399021. The next prime is 8399057. The reversal of 8399055 is 5509938.

It is not a de Polignac number, because 8399055 - 2⁷ = 8398927 is a prime.

8399055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8399057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3330 + ... + 5280.

It is an arithmetic number, because the mean of its divisors is an integer number (491904).

Almost surely, 2^8399055 is an apocalyptic number.

8399055 is a deficient number, since it is larger than the sum of its proper divisors (7341873).

8399055 is a wasteful number, since it uses less digits than its factorization.

8399055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 8399055 is about 2898.1123166641. The cubic root of 8399055 is about 203.2716481044.

The spelling of 8399055 in words is "eight million, three hundred ninety-nine thousand, fifty-five".