404354003 has 2 divisors, whose sum is σ = 404354004. Its totient is φ = 404354002.

The previous prime is 404353979. The next prime is 404354011. The reversal of 404354003 is 300453404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404354003 - 2¹⁰ = 404352979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404354003.

It is not a weakly prime, because it can be changed into another prime (404354023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202177001 + 202177002.

It is an arithmetic number, because the mean of its divisors is an integer number (202177002).

Almost surely, 2^404354003 is an apocalyptic number.

404354003 is a deficient number, since it is larger than the sum of its proper divisors (1).

404354003 is an equidigital number, since it uses as much as digits as its factorization.

404354003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 404354003 is about 20108.5554677605. Note that the first 3 decimals coincide. The cubic root of 404354003 is about 739.4700387400.

The spelling of 404354003 in words is "four hundred four million, three hundred fifty-four thousand, three".