18208801 has 8 divisors (see below), whose sum is σ = 20462400. Its totient is φ = 16077072.

The previous prime is 18208793. The next prime is 18208831. The reversal of 18208801 is 10880281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18208801 - 2³ = 18208793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18208801.

It is not an unprimeable number, because it can be changed into a prime (18208831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30151 + ... + 30748.

It is an arithmetic number, because the mean of its divisors is an integer number (2557800).

Almost surely, 2^18208801 is an apocalyptic number.

It is an amenable number.

18208801 is a deficient number, since it is larger than the sum of its proper divisors (2253599).

18208801 is a wasteful number, since it uses less digits than its factorization.

18208801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60935.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 18208801 is about 4267.1771699802. The cubic root of 18208801 is about 263.0836043341.

The spelling of 18208801 in words is "eighteen million, two hundred eight thousand, eight hundred one".