404479073 has 2 divisors, whose sum is σ = 404479074. Its totient is φ = 404479072.

The previous prime is 404479069. The next prime is 404479091. The reversal of 404479073 is 370974404.

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., 271030369 + 133448704 = 16463^2 + 11552^2 .

It is a cyclic number.

It is not a de Polignac number, because 404479073 - 2² = 404479069 is a prime.

It is not a weakly prime, because it can be changed into another prime (404479013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202239536 + 202239537.

It is an arithmetic number, because the mean of its divisors is an integer number (202239537).

Almost surely, 2^404479073 is an apocalyptic number.

It is an amenable number.

404479073 is a deficient number, since it is larger than the sum of its proper divisors (1).

404479073 is an equidigital number, since it uses as much as digits as its factorization.

404479073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 404479073 is about 20111.6650976492. The cubic root of 404479073 is about 739.5462722574.

The spelling of 404479073 in words is "four hundred four million, four hundred seventy-nine thousand, seventy-three".