18354201 has 16 divisors (see below), whose sum is σ = 25448448. Its totient is φ = 11754000.

The previous prime is 18354199. The next prime is 18354221. The reversal of 18354201 is 10245381.

It is not a de Polignac number, because 18354201 - 2¹ = 18354199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18354221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13390 + ... + 14696.

It is an arithmetic number, because the mean of its divisors is an integer number (1590528).

Almost surely, 2^18354201 is an apocalyptic number.

It is an amenable number.

18354201 is a deficient number, since it is larger than the sum of its proper divisors (7094247).

18354201 is a wasteful number, since it uses less digits than its factorization.

18354201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 18354201 is about 4284.1803183340. The cubic root of 18354201 is about 263.7820026605.

Adding to 18354201 its reverse (10245381), we get a palindrome (28599582).

The spelling of 18354201 in words is "eighteen million, three hundred fifty-four thousand, two hundred one".