404234553 has 8 divisors (see below), whose sum is σ = 541397248. Its totient is φ = 268280784.

The previous prime is 404234503. The next prime is 404234573. The reversal of 404234553 is 355432404.

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

It is not a de Polignac number, because 404234553 - 2¹² = 404230457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404234553.

It is not an unprimeable number, because it can be changed into a prime (404234503) 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, 301450 + ... + 302787.

It is an arithmetic number, because the mean of its divisors is an integer number (67674656).

Almost surely, 2^404234553 is an apocalyptic number.

It is an amenable number.

404234553 is a deficient number, since it is larger than the sum of its proper divisors (137162695).

404234553 is a wasteful number, since it uses less digits than its factorization.

404234553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604463.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 404234553 is about 20105.5851195632. The cubic root of 404234553 is about 739.3972160856.

Adding to 404234553 its reverse (355432404), we get a palindrome (759666957).

The spelling of 404234553 in words is "four hundred four million, two hundred thirty-four thousand, five hundred fifty-three".