18342801 has 8 divisors (see below), whose sum is σ = 27174560. Its totient is φ = 12228516.

The previous prime is 18342769. The next prime is 18342803. The reversal of 18342801 is 10824381.

It is not a de Polignac number, because 18342801 - 2⁵ = 18342769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 679363 = 18342801 / (1 + 8 + 3 + 4 + 2 + 8 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18342803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339655 + ... + 339708.

It is an arithmetic number, because the mean of its divisors is an integer number (3396820).

Almost surely, 2^18342801 is an apocalyptic number.

It is an amenable number.

18342801 is a deficient number, since it is larger than the sum of its proper divisors (8831759).

18342801 is an equidigital number, since it uses as much as digits as its factorization.

18342801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679372 (or 679366 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 18342801 is about 4282.8496354647. The cubic root of 18342801 is about 263.7273786967.

The spelling of 18342801 in words is "eighteen million, three hundred forty-two thousand, eight hundred one".