404696401 has 2 divisors, whose sum is σ = 404696402. Its totient is φ = 404696400.

The previous prime is 404696389. The next prime is 404696419. The reversal of 404696401 is 104696404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395055376 + 9641025 = 19876^2 + 3105^2 .

It is a cyclic number.

It is not a de Polignac number, because 404696401 - 2²⁷ = 270478673 is a prime.

It is not a weakly prime, because it can be changed into another prime (404696471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202348200 + 202348201.

It is an arithmetic number, because the mean of its divisors is an integer number (202348201).

Almost surely, 2^404696401 is an apocalyptic number.

It is an amenable number.

404696401 is a deficient number, since it is larger than the sum of its proper divisors (1).

404696401 is an equidigital number, since it uses as much as digits as its factorization.

404696401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 404696401 is about 20117.0674055639. The cubic root of 404696401 is about 739.6787021289.

The spelling of 404696401 in words is "four hundred four million, six hundred ninety-six thousand, four hundred one".