18486001 has 4 divisors (see below), whose sum is σ = 18915952. Its totient is φ = 18056052.

The previous prime is 18485981. The next prime is 18486011. The reversal of 18486001 is 10068481.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18486001 - 2¹⁵ = 18453233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18486011) 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, 214911 + ... + 214996.

It is an arithmetic number, because the mean of its divisors is an integer number (4728988).

Almost surely, 2^18486001 is an apocalyptic number.

It is an amenable number.

18486001 is a deficient number, since it is larger than the sum of its proper divisors (429951).

18486001 is an equidigital number, since it uses as much as digits as its factorization.

18486001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429950.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 18486001 is about 4299.5349748548. The cubic root of 18486001 is about 264.4118962378.

The spelling of 18486001 in words is "eighteen million, four hundred eighty-six thousand, one".