18371441 has 12 divisors (see below), whose sum is σ = 21293520. Its totient is φ = 15716160.

The previous prime is 18371429. The next prime is 18371447. The reversal of 18371441 is 14417381.

It is not a de Polignac number, because 18371441 - 2¹⁸ = 18109297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18371447) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 290 + ... + 6068.

It is an arithmetic number, because the mean of its divisors is an integer number (1774460).

Almost surely, 2^18371441 is an apocalyptic number.

18371441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18371441 is a deficient number, since it is larger than the sum of its proper divisors (2922079).

18371441 is a wasteful number, since it uses less digits than its factorization.

18371441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824 (or 5807 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 18371441 is about 4286.1918995771. The cubic root of 18371441 is about 263.8645664765.

The spelling of 18371441 in words is "eighteen million, three hundred seventy-one thousand, four hundred forty-one".