403673401 has 2 divisors, whose sum is σ = 403673402. Its totient is φ = 403673400.

The previous prime is 403673393. The next prime is 403673407. The reversal of 403673401 is 104376304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296012025 + 107661376 = 17205^2 + 10376^2 .

It is a cyclic number.

It is not a de Polignac number, because 403673401 - 2³ = 403673393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 403673401.

It is not a weakly prime, because it can be changed into another prime (403673407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201836700 + 201836701.

It is an arithmetic number, because the mean of its divisors is an integer number (201836701).

Almost surely, 2^403673401 is an apocalyptic number.

It is an amenable number.

403673401 is a deficient number, since it is larger than the sum of its proper divisors (1).

403673401 is an equidigital number, since it uses as much as digits as its factorization.

403673401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 403673401 is about 20091.6251458164. The cubic root of 403673401 is about 739.0549178134.

The spelling of 403673401 in words is "four hundred three million, six hundred seventy-three thousand, four hundred one".