404099 has 2 divisors, whose sum is σ = 404100. Its totient is φ = 404098.

The previous prime is 404081. The next prime is 404113. The reversal of 404099 is 990404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404099 - 2¹⁶ = 338563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (404009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202049 + 202050.

It is an arithmetic number, because the mean of its divisors is an integer number (202050).

2⁴⁰⁴⁰⁹⁹ is an apocalyptic number.

404099 is a deficient number, since it is larger than the sum of its proper divisors (1).

404099 is an equidigital number, since it uses as much as digits as its factorization.

404099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 404099 is about 635.6878164634. The cubic root of 404099 is about 73.9314558863.

The spelling of 404099 in words is "four hundred four thousand, ninety-nine".