202404 has 24 divisors (see below), whose sum is σ = 479808. Its totient is φ = 66400.

The previous prime is 202403. The next prime is 202409. The reversal of 202404 is 404202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 202404.

It is not an unprimeable number, because it can be changed into a prime (202403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129 + ... + 1295.

It is an arithmetic number, because the mean of its divisors is an integer number (19992).

2²⁰²⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

202404 is an abundant number, since it is smaller than the sum of its proper divisors (277404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202404 is a wasteful number, since it uses less digits than its factorization.

202404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 202404 is about 449.8933206884. The cubic root of 202404 is about 58.7137334645.

Adding to 202404 its reverse (404202), we get a palindrome (606606).

It can be divided in two parts, 202 and 404, that added together give a palindrome (606).

The spelling of 202404 in words is "two hundred two thousand, four hundred four", and thus it is an iban number.