403320401 has 16 divisors (see below), whose sum is σ = 453625920. Its totient is φ = 355461120.

The previous prime is 403320389. The next prime is 403320413. The reversal of 403320401 is 104023304.

It is an interprime number because it is at equal distance from previous prime (403320389) and next prime (403320413).

It is a cyclic number.

It is not a de Polignac number, because 403320401 - 2²² = 399126097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 403320401.

It is not an unprimeable number, because it can be changed into a prime (403320431) 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 in 15 ways as a sum of consecutive naturals, for example, 43121 + ... + 51633.

It is an arithmetic number, because the mean of its divisors is an integer number (28351620).

Almost surely, 2^403320401 is an apocalyptic number.

It is an amenable number.

403320401 is a deficient number, since it is larger than the sum of its proper divisors (50305519).

403320401 is a wasteful number, since it uses less digits than its factorization.

403320401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8656.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 403320401 is about 20082.8384696985. The cubic root of 403320401 is about 738.8394280403.

Adding to 403320401 its reverse (104023304), we get a palindrome (507343705).

The spelling of 403320401 in words is "four hundred three million, three hundred twenty thousand, four hundred one".