1801606408 has 16 divisors (see below), whose sum is σ = 3860585280. Its totient is φ = 772117008.

The previous prime is 1801606363. The next prime is 1801606439. The reversal of 1801606408 is 8046061081.

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 3 ways as a sum of consecutive naturals, for example, 16085716 + ... + 16085827.

It is an arithmetic number, because the mean of its divisors is an integer number (241286580).

Almost surely, 2^1801606408 is an apocalyptic number.

It is an amenable number.

1801606408 is an abundant number, since it is smaller than the sum of its proper divisors (2058978872).

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

1801606408 is a wasteful number, since it uses less digits than its factorization.

1801606408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32171556 (or 32171552 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1801606408 is about 42445.3343490189. The cubic root of 1801606408 is about 1216.8021618120.

Adding to 1801606408 its reverse (8046061081), we get a palindrome (9847667489).

The spelling of 1801606408 in words is "one billion, eight hundred one million, six hundred six thousand, four hundred eight".