403204113 has 24 divisors (see below), whose sum is σ = 664104168. Its totient is φ = 233528832.

The previous prime is 403204097. The next prime is 403204121. The reversal of 403204113 is 311402304.

It can be written as a sum of positive squares in 4 ways, for example, as 278784 + 402925329 = 528^2 + 20073^2 .

It is not a de Polignac number, because 403204113 - 2⁴ = 403204097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (403204913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99370 + ... + 103347.

It is an arithmetic number, because the mean of its divisors is an integer number (27671007).

Almost surely, 2^403204113 is an apocalyptic number.

It is an amenable number.

403204113 is a deficient number, since it is larger than the sum of its proper divisors (260900055).

403204113 is a wasteful number, since it uses less digits than its factorization.

403204113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202753 (or 202750 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 403204113 is about 20079.9430527081. The cubic root of 403204113 is about 738.7684121945.

Adding to 403204113 its reverse (311402304), we get a palindrome (714606417).

The spelling of 403204113 in words is "four hundred three million, two hundred four thousand, one hundred thirteen".