18448485 has 32 divisors (see below), whose sum is σ = 34100352. Its totient is φ = 8417280.

The previous prime is 18448481. The next prime is 18448501. The reversal of 18448485 is 58484481.

It is not a de Polignac number, because 18448485 - 2² = 18448481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18448481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484 + ... + 6093.

It is an arithmetic number, because the mean of its divisors is an integer number (1065636).

Almost surely, 2^18448485 is an apocalyptic number.

18448485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18448485 is a deficient number, since it is larger than the sum of its proper divisors (15651867).

18448485 is a wasteful number, since it uses less digits than its factorization.

18448485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613.

The product of its digits is 163840, while the sum is 42.

The square root of 18448485 is about 4295.1699617128. The cubic root of 18448485 is about 264.2329068376.

The spelling of 18448485 in words is "eighteen million, four hundred forty-eight thousand, four hundred eighty-five".