18301396 has 12 divisors (see below), whose sum is σ = 32060448. Its totient is φ = 9141272.

The previous prime is 18301391. The next prime is 18301397. The reversal of 18301396 is 69310381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18301391) 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 3 ways as a sum of consecutive naturals, for example, 3795 + ... + 7141.

It is an arithmetic number, because the mean of its divisors is an integer number (2671704).

Almost surely, 2^18301396 is an apocalyptic number.

It is an amenable number.

18301396 is a deficient number, since it is larger than the sum of its proper divisors (13759052).

18301396 is a wasteful number, since it uses less digits than its factorization.

18301396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718 (or 4716 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 18301396 is about 4278.0130902091. The cubic root of 18301396 is about 263.5287929102.

The spelling of 18301396 in words is "eighteen million, three hundred one thousand, three hundred ninety-six".