18054406 has 8 divisors (see below), whose sum is σ = 27125784. Its totient is φ = 9012480.

The previous prime is 18054403. The next prime is 18054437. The reversal of 18054406 is 60445081.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18054401) 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, 5760 + ... + 8323.

It is an arithmetic number, because the mean of its divisors is an integer number (3390723).

Almost surely, 2^18054406 is an apocalyptic number.

18054406 is a deficient number, since it is larger than the sum of its proper divisors (9071378).

18054406 is a wasteful number, since it uses less digits than its factorization.

18054406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14726.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 18054406 is about 4249.0476580053. The cubic root of 18054406 is about 262.3379183856.

Adding to 18054406 its reverse (60445081), we get a palindrome (78499487).

The spelling of 18054406 in words is "eighteen million, fifty-four thousand, four hundred six".