404790413 has 2 divisors, whose sum is σ = 404790414. Its totient is φ = 404790412.

The previous prime is 404790389. The next prime is 404790443. The reversal of 404790413 is 314097404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209294089 + 195496324 = 14467^2 + 13982^2 .

It is a cyclic number.

It is not a de Polignac number, because 404790413 - 2²⁶ = 337681549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404790413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404790443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202395206 + 202395207.

It is an arithmetic number, because the mean of its divisors is an integer number (202395207).

Almost surely, 2^404790413 is an apocalyptic number.

It is an amenable number.

404790413 is a deficient number, since it is larger than the sum of its proper divisors (1).

404790413 is an equidigital number, since it uses as much as digits as its factorization.

404790413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 404790413 is about 20119.4038927598. The cubic root of 404790413 is about 739.7359741070.

The spelling of 404790413 in words is "four hundred four million, seven hundred ninety thousand, four hundred thirteen".