18401468 has 6 divisors (see below), whose sum is σ = 32202576. Its totient is φ = 9200732.

The previous prime is 18401459. The next prime is 18401473. The reversal of 18401468 is 86410481.

It is a super-2 number, since 2×18401468² = 677228049110048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2300180 + ... + 2300187.

It is an arithmetic number, because the mean of its divisors is an integer number (5367096).

Almost surely, 2^18401468 is an apocalyptic number.

It is an amenable number.

18401468 is a deficient number, since it is larger than the sum of its proper divisors (13801108).

18401468 is a wasteful number, since it uses less digits than its factorization.

18401468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600371 (or 4600369 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 18401468 is about 4289.6932291249. The cubic root of 18401468 is about 264.0082450746.

The spelling of 18401468 in words is "eighteen million, four hundred one thousand, four hundred sixty-eight".