403712401 has 4 divisors (see below), whose sum is σ = 403762752. Its totient is φ = 403662052.

The previous prime is 403712389. The next prime is 403712443. The reversal of 403712401 is 104217304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 403712401 - 2⁷ = 403712273 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403712471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10165 + ... + 30178.

It is an arithmetic number, because the mean of its divisors is an integer number (100940688).

Almost surely, 2^403712401 is an apocalyptic number.

It is an amenable number.

403712401 is a deficient number, since it is larger than the sum of its proper divisors (50351).

403712401 is a wasteful number, since it uses less digits than its factorization.

403712401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50350.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 403712401 is about 20092.5956760196. The cubic root of 403712401 is about 739.0787177578.

Adding to 403712401 its reverse (104217304), we get a palindrome (507929705).

The spelling of 403712401 in words is "four hundred three million, seven hundred twelve thousand, four hundred one".