1808008 has 8 divisors (see below), whose sum is σ = 3390030. Its totient is φ = 904000.

The previous prime is 1808003. The next prime is 1808017. The reversal of 1808008 is 8008081.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1633284 + 174724 = 1278^2 + 418^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1808003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112993 + ... + 113008.

2^1808008 is an apocalyptic number.

It is an amenable number.

1808008 is a deficient number, since it is larger than the sum of its proper divisors (1582022).

1808008 is a wasteful number, since it uses less digits than its factorization.

1808008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226007 (or 226003 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 1808008 is about 1344.6218799350. The cubic root of 1808008 is about 121.8241666595.

The spelling of 1808008 in words is "one million, eight hundred eight thousand, eight".