204412 has 12 divisors (see below), whose sum is σ = 385336. Its totient is φ = 94320.

The previous prime is 204397. The next prime is 204427. The reversal of 204412 is 214402.

It is an interprime number because it is at equal distance from previous prime (204397) and next prime (204427).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 204392 and 204401.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1914 + ... + 2017.

2²⁰⁴⁴¹² is an apocalyptic number.

It is an amenable number.

204412 is a deficient number, since it is larger than the sum of its proper divisors (180924).

204412 is a wasteful number, since it uses less digits than its factorization.

204412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948 (or 3946 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 204412 is about 452.1194532422. The cubic root of 204412 is about 58.9072563778.

Adding to 204412 its reverse (214402), we get a palindrome (418814).

It can be divided in two parts, 204 and 412, that multiplied together give a palindrome (84048).

The spelling of 204412 in words is "two hundred four thousand, four hundred twelve", and thus it is an iban number.