403400001 has 16 divisors (see below), whose sum is σ = 566984000. Its totient is φ = 254415168.

The previous prime is 403399999. The next prime is 403400017. The reversal of 403400001 is 100004304.

It is not a de Polignac number, because 403400001 - 2¹ = 403399999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 403400001.

It is not an unprimeable number, because it can be changed into a prime (403400801) 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, 38475 + ... + 47823.

It is an arithmetic number, because the mean of its divisors is an integer number (35436500).

Almost surely, 2^403400001 is an apocalyptic number.

It is an amenable number.

403400001 is a deficient number, since it is larger than the sum of its proper divisors (163583999).

403400001 is a wasteful number, since it uses less digits than its factorization.

403400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10128.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 403400001 is about 20084.8201634966. The cubic root of 403400001 is about 738.8880310449. Note that the first 3 decimals are identical.

Adding to 403400001 its reverse (100004304), we get a palindrome (503404305).

The spelling of 403400001 in words is "four hundred three million, four hundred thousand, one".