228683646 has 48 divisors (see below), whose sum is σ = 506142000. Its totient is φ = 74600064.

The previous prime is 228683633. The next prime is 228683681. The reversal of 228683646 is 646386822.

228683646 is a `hidden beast` number, since 2 + 286 + 8 + 364 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370330 + ... + 370946.

It is an arithmetic number, because the mean of its divisors is an integer number (10544625).

Almost surely, 2^228683646 is an apocalyptic number.

228683646 is an abundant number, since it is smaller than the sum of its proper divisors (277458354).

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

228683646 is a wasteful number, since it uses less digits than its factorization.

228683646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1030 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 228683646 is about 15122.2897075807. The cubic root of 228683646 is about 611.5214604652.

The spelling of 228683646 in words is "two hundred twenty-eight million, six hundred eighty-three thousand, six hundred forty-six".