204632403 has 8 divisors (see below), whose sum is σ = 284706048. Its totient is φ = 130490184.

The previous prime is 204632341. The next prime is 204632423. The reversal of 204632403 is 304236402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204632403 - 2⁹ = 204631891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204632423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482775 + ... + 1482912.

It is an arithmetic number, because the mean of its divisors is an integer number (35588256).

Almost surely, 2^204632403 is an apocalyptic number.

204632403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

204632403 is a deficient number, since it is larger than the sum of its proper divisors (80073645).

204632403 is a wasteful number, since it uses less digits than its factorization.

204632403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965713.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 204632403 is about 14304.9782593334. The cubic root of 204632403 is about 589.2842061554.

Adding to 204632403 its reverse (304236402), we get a palindrome (508868805).

The spelling of 204632403 in words is "two hundred four million, six hundred thirty-two thousand, four hundred three".