210534404 has 24 divisors (see below), whose sum is σ = 372697920. Its totient is φ = 104056416.

The previous prime is 210534371. The next prime is 210534427. The reversal of 210534404 is 404435012.

210534404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 210534404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153329 + ... + 154695.

It is an arithmetic number, because the mean of its divisors is an integer number (15529080).

Almost surely, 2^210534404 is an apocalyptic number.

It is an amenable number.

210534404 is a deficient number, since it is larger than the sum of its proper divisors (162163516).

210534404 is a wasteful number, since it uses less digits than its factorization.

210534404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 210534404 is about 14509.8037202438. The cubic root of 210534404 is about 594.8959674999.

Adding to 210534404 its reverse (404435012), we get a palindrome (614969416).

The spelling of 210534404 in words is "two hundred ten million, five hundred thirty-four thousand, four hundred four".