404706473 has 2 divisors, whose sum is σ = 404706474. Its totient is φ = 404706472.

The previous prime is 404706451. The next prime is 404706487. The reversal of 404706473 is 374607404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343991209 + 60715264 = 18547^2 + 7792^2 .

It is a cyclic number.

It is not a de Polignac number, because 404706473 - 2⁸ = 404706217 is a prime.

It is not a weakly prime, because it can be changed into another prime (404706073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202353236 + 202353237.

It is an arithmetic number, because the mean of its divisors is an integer number (202353237).

Almost surely, 2^404706473 is an apocalyptic number.

It is an amenable number.

404706473 is a deficient number, since it is larger than the sum of its proper divisors (1).

404706473 is an equidigital number, since it uses as much as digits as its factorization.

404706473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 404706473 is about 20117.3177387046. The cubic root of 404706473 is about 739.6848384013.

The spelling of 404706473 in words is "four hundred four million, seven hundred six thousand, four hundred seventy-three".