228952689 has 16 divisors (see below), whose sum is σ = 352480128. Its totient is φ = 129480192.

The previous prime is 228952687. The next prime is 228952697. The reversal of 228952689 is 986259822.

228952689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228952689 - 2¹ = 228952687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228952681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54162 + ... + 58235.

It is an arithmetic number, because the mean of its divisors is an integer number (22030008).

Almost surely, 2^228952689 is an apocalyptic number.

It is an amenable number.

228952689 is a deficient number, since it is larger than the sum of its proper divisors (123527439).

228952689 is a wasteful number, since it uses less digits than its factorization.

228952689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112504.

The product of its digits is 1244160, while the sum is 51.

The square root of 228952689 is about 15131.1826702343. The cubic root of 228952689 is about 611.7611818629.

The spelling of 228952689 in words is "two hundred twenty-eight million, nine hundred fifty-two thousand, six hundred eighty-nine".