234520404 has 24 divisors (see below), whose sum is σ = 548949408. Its totient is φ = 77925600.

The previous prime is 234520373. The next prime is 234520411. The reversal of 234520404 is 404025432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27022 + ... + 34629.

It is an arithmetic number, because the mean of its divisors is an integer number (22872892).

Almost surely, 2^234520404 is an apocalyptic number.

It is an amenable number.

234520404 is an abundant number, since it is smaller than the sum of its proper divisors (314429004).

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

234520404 is a wasteful number, since it uses less digits than its factorization.

234520404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61975 (or 61973 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 234520404 is about 15314.0590308383. The cubic root of 234520404 is about 616.6804934161.

Adding to 234520404 its reverse (404025432), we get a palindrome (638545836).

The spelling of 234520404 in words is "two hundred thirty-four million, five hundred twenty thousand, four hundred four".