404303201 has 4 divisors (see below), whose sum is σ = 404343492. Its totient is φ = 404262912.

The previous prime is 404303171. The next prime is 404303203. The reversal of 404303201 is 102303404.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 219750976 + 184552225 = 14824^2 + 13585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404303201 is a prime.

It is a super-2 number, since 2×404303201² = 326922156677692802, which contains 22 as substring.

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 404303201.

It is not an unprimeable number, because it can be changed into a prime (404303203) 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, 8225 + ... + 29601.

It is an arithmetic number, because the mean of its divisors is an integer number (101085873).

Almost surely, 2^404303201 is an apocalyptic number.

It is an amenable number.

404303201 is a deficient number, since it is larger than the sum of its proper divisors (40291).

404303201 is a wasteful number, since it uses less digits than its factorization.

404303201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40290.

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

The square root of 404303201 is about 20107.2922344109. The cubic root of 404303201 is about 739.4390690698.

Adding to 404303201 its reverse (102303404), we get a palindrome (506606605).

The spelling of 404303201 in words is "four hundred four million, three hundred three thousand, two hundred one".