404305099 has 4 divisors (see below), whose sum is σ = 441060120. Its totient is φ = 367550080.

The previous prime is 404305091. The next prime is 404305103. The reversal of 404305099 is 990503404.

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 404305099 - 2³ = 404305091 is a prime.

It is a super-2 number, since 2×404305099² = 326925226154799602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404305091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18377494 + ... + 18377515.

It is an arithmetic number, because the mean of its divisors is an integer number (110265030).

Almost surely, 2^404305099 is an apocalyptic number.

404305099 is a deficient number, since it is larger than the sum of its proper divisors (36755021).

404305099 is a wasteful number, since it uses less digits than its factorization.

404305099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36755020.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 404305099 is about 20107.3394311629. The cubic root of 404305099 is about 739.4402261661.

It can be divided in two parts, 404 and 305099, that added together give a palindrome (305503).

The spelling of 404305099 in words is "four hundred four million, three hundred five thousand, ninety-nine".