404272 has 20 divisors (see below), whose sum is σ = 854856. Its totient is φ = 183680.

The previous prime is 404269. The next prime is 404273. The reversal of 404272 is 272404.

404272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404273) 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, 973 + ... + 1324.

2⁴⁰⁴²⁷² is an apocalyptic number.

It is an amenable number.

404272 is an abundant number, since it is smaller than the sum of its proper divisors (450584).

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

404272 is a wasteful number, since it uses less digits than its factorization.

404272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 404272 is about 635.8238749843. The cubic root of 404272 is about 73.9420047181.

Adding to 404272 its reverse (272404), we get a palindrome (676676).

It can be divided in two parts, 4042 and 72, that added together give a palindrome (4114).

The spelling of 404272 in words is "four hundred four thousand, two hundred seventy-two", and thus it is an iban number.