228653634 has 32 divisors (see below), whose sum is σ = 500696640. Its totient is φ = 69036800.

The previous prime is 228653627. The next prime is 228653651. The reversal of 228653634 is 436356822.

It is a happy number.

228653634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228653592 and 228653601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12382 + ... + 24710.

It is an arithmetic number, because the mean of its divisors is an integer number (15646770).

Almost surely, 2^228653634 is an apocalyptic number.

228653634 is an abundant number, since it is smaller than the sum of its proper divisors (272043006).

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

228653634 is a wasteful number, since it uses less digits than its factorization.

228653634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626.

The product of its digits is 207360, while the sum is 39.

The square root of 228653634 is about 15121.2973649750. The cubic root of 228653634 is about 611.4947076631.

The spelling of 228653634 in words is "two hundred twenty-eight million, six hundred fifty-three thousand, six hundred thirty-four".