1808968 has 16 divisors (see below), whose sum is σ = 3876480. Its totient is φ = 775248.

The previous prime is 1808959. The next prime is 1808969. The reversal of 1808968 is 8698081.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1808968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1808969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16096 + ... + 16207.

It is an arithmetic number, because the mean of its divisors is an integer number (242280).

2^1808968 is an apocalyptic number.

It is an amenable number.

1808968 is an abundant number, since it is smaller than the sum of its proper divisors (2067512).

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

1808968 is a wasteful number, since it uses less digits than its factorization.

1808968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32316 (or 32312 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 1808968 is about 1344.9788102420. The cubic root of 1808968 is about 121.8457245484.

The spelling of 1808968 in words is "one million, eight hundred eight thousand, nine hundred sixty-eight".