18488001 has 16 divisors (see below), whose sum is σ = 28514304. Its totient is φ = 10436304.

The previous prime is 18487951. The next prime is 18488011. The reversal of 18488001 is 10088481.

It is not a de Polignac number, because 18488001 - 2¹⁰ = 18486977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18488001.

It is not an unprimeable number, because it can be changed into a prime (18488011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3561 + ... + 7046.

It is an arithmetic number, because the mean of its divisors is an integer number (1782144).

Almost surely, 2^18488001 is an apocalyptic number.

It is an amenable number.

18488001 is a deficient number, since it is larger than the sum of its proper divisors (10026303).

18488001 is a wasteful number, since it uses less digits than its factorization.

18488001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10700.

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 18488001 is about 4299.7675518567. The cubic root of 18488001 is about 264.4214314662.

The spelling of 18488001 in words is "eighteen million, four hundred eighty-eight thousand, one".