404310349 has 2 divisors, whose sum is σ = 404310350. Its totient is φ = 404310348.

The previous prime is 404310323. The next prime is 404310391. The reversal of 404310349 is 943013404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225900900 + 178409449 = 15030^2 + 13357^2 .

It is a cyclic number.

It is not a de Polignac number, because 404310349 - 2⁵ = 404310317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404310749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202155174 + 202155175.

It is an arithmetic number, because the mean of its divisors is an integer number (202155175).

Almost surely, 2^404310349 is an apocalyptic number.

It is an amenable number.

404310349 is a deficient number, since it is larger than the sum of its proper divisors (1).

404310349 is an equidigital number, since it uses as much as digits as its factorization.

404310349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 404310349 is about 20107.4699800845. The cubic root of 404310349 is about 739.4434267559.

The spelling of 404310349 in words is "four hundred four million, three hundred ten thousand, three hundred forty-nine".