1608808228 has 6 divisors (see below), whose sum is σ = 2815414406. Its totient is φ = 804404112.

The previous prime is 1608808213. The next prime is 1608808259. The reversal of 1608808228 is 8228088061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1600640064 + 8168164 = 40008^2 + 2858^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201101025 + ... + 201101032.

Almost surely, 2^1608808228 is an apocalyptic number.

It is an amenable number.

1608808228 is a deficient number, since it is larger than the sum of its proper divisors (1206606178).

1608808228 is a wasteful number, since it uses less digits than its factorization.

1608808228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402202061 (or 402202059 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 43.

The square root of 1608808228 is about 40109.9517327059. The cubic root of 1608808228 is about 1171.7494533288.

The spelling of 1608808228 in words is "one billion, six hundred eight million, eight hundred eight thousand, two hundred twenty-eight".