18006354 has 16 divisors (see below), whose sum is σ = 40014240. Its totient is φ = 6002100.

The previous prime is 18006353. The next prime is 18006371. The reversal of 18006354 is 45360081.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18006353) 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, 166672 + ... + 166779.

It is an arithmetic number, because the mean of its divisors is an integer number (2500890).

Almost surely, 2^18006354 is an apocalyptic number.

18006354 is an abundant number, since it is smaller than the sum of its proper divisors (22007886).

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

18006354 is a wasteful number, since it uses less digits than its factorization.

18006354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333462 (or 333456 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 18006354 is about 4243.3894471283. The cubic root of 18006354 is about 262.1049731835.

The spelling of 18006354 in words is "eighteen million, six thousand, three hundred fifty-four".